diff --git a/addons/crm/crm.py b/addons/crm/crm.py
index 92e6584fbd5..5866167ee8b 100644
--- a/addons/crm/crm.py
+++ b/addons/crm/crm.py
@@ -23,7 +23,7 @@ from openerp import tools
 from openerp.osv import fields
 from openerp.osv import osv
 from openerp.tools.translate import _
-from datetime import date
+from datetime import date, datetime
 from dateutil.relativedelta import relativedelta
 
 MAX_LEVEL = 15
@@ -43,20 +43,6 @@ AVAILABLE_PRIORITIES = [
     ('5', 'Lowest'),
 ]
 
-DURATION_TXT = {
-    "monthly": _("month"),
-    "quarterly": _("quarter"),
-    "semesterly": _("semester"),
-    "annually": _("year")
-}
-
-MONTHS = {
-    "monthly": 1,
-    "quarterly": 3,
-    "semesterly": 6,
-    "annually": 12
-}
-
 class crm_case_channel(osv.osv):
     _name = "crm.case.channel"
     _description = "Channels"
@@ -123,45 +109,30 @@ class crm_case_section(osv.osv):
     def get_full_name(self, cr, uid, ids, field_name, arg, context=None):
         return dict(self.name_get(cr, uid, ids, context=context))
 
-    def _get_target_duration_txt(self, cr, uid, ids, field_name, arg, context=None):
-        res = dict.fromkeys(ids, "")
-        for section in self.browse(cr, uid, ids, context=context):
-            res[section.id] = DURATION_TXT[section.target_duration]
-        return res
-
     def _get_open_lead_per_duration(self, cr, uid, ids, field_name, arg, context=None):
         res = dict.fromkeys(ids, [])
-        lead_obj = self.pool.get('crm.lead')
-        first_day = date.today().replace(day=1)
-
+        obj = self.pool.get('crm.lead')
+        today = date.today().replace(day=1)
+        begin = (today + relativedelta(months=-5)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
         for section in self.browse(cr, uid, ids, context=context):
-            dates = [first_day + relativedelta(months=-(MONTHS[section.target_duration]*(key+1)-1)) for key in range(0, 5)]
-            nb_leads = []
-            for when in range(0, 5):
-                domain = [("section_id", "=", section.id), '|', ('type', '=', 'lead'), ('date_open', '!=', None), ('create_date', '>=', dates[when].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                if when:
-                    domain += [('create_date', '<', dates[when-1].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                nb_leads.append(lead_obj.search(cr, uid, domain, context=context, count=True))
-            nb_leads.reverse()
-            res[section.id] = nb_leads
+            domain = [("section_id", "=", section.id), '|', ('type', '=', 'lead'), ('date_open', '!=', None), ('create_date', '>=', begin)]
+            group_obj = obj.read_group(cr, uid, domain, ["create_date"], "create_date", context=context)
+            group_list = [group['create_date_count'] for group in group_obj]
+            nb_month = group_obj and relativedelta(today, datetime.strptime(group_obj[-1]['__domain'][0][2], '%Y-%m-%d')).months or 0
+            res[section.id] = [0]*(5 - len(group_list) - nb_month) + group_list + [0]*nb_month
         return res
 
     def _get_won_opportunity_per_duration(self, cr, uid, ids, field_name, arg, context=None):
         res = dict.fromkeys(ids, [])
         obj = self.pool.get('crm.lead')
-        first_day = date.today().replace(day=1)
-
+        today = date.today().replace(day=1)
+        begin = (today + relativedelta(months=-5)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
         for section in self.browse(cr, uid, ids, context=context):
-            dates = [first_day + relativedelta(months=-(MONTHS[section.target_duration]*(key+1)-1)) for key in range(0, 5)]
-            rates = []
-            for when in range(0, 5):
-                domain = [("section_id", "=", section.id), ('state', '=', 'done'), ('type', '=', 'opportunity'), ('date_closed', '>=', dates[when].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                if when:
-                    domain += [('date_closed', '<', dates[when-1].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                group_obj = obj.read_group(cr, uid, domain, ['planned_revenue', 'section_id'], "section_id", context=context)
-                rates.append(group_obj and group_obj[0]['planned_revenue'] or 0)
-            rates.reverse()
-            res[section.id] = rates
+            domain = [("section_id", "=", section.id), '|', ('type', '=', 'opportunity'), ('date_open', '!=', None), ('create_date', '>=', begin)]
+            group_obj = obj.read_group(cr, uid, domain, ['planned_revenue', "create_date"], "create_date", context=context)
+            group_list = [group['planned_revenue'] for group in group_obj]
+            nb_month = group_obj and relativedelta(today, datetime.strptime(group_obj[-1]['__domain'][0][2], '%Y-%m-%d')).months or 0
+            res[section.id] = [0]*(5 - len(group_list) - nb_month) + group_list + [0]*nb_month
         return res
 
     _columns = {
@@ -187,12 +158,6 @@ class crm_case_section(osv.osv):
         'use_leads': fields.boolean('Leads',
             help="The first contact you get with a potential customer is a lead you qualify before converting it into a real business opportunity. Check this box to manage leads in this sales team."),
 
-        'target_duration': fields.selection([("monthly", "Monthly"), ("quarterly", "Quarterly"), ("semesterly", "Semesterly"), ("annually", "Annually")],
-            string='Report Duration', required=True),
-        'target_duration_txt': fields.function(_get_target_duration_txt,
-            string='Duration',
-            type="string", readonly=True),
-
         'open_lead_per_duration': fields.function(_get_open_lead_per_duration, string='Open Leads per duration', type="string", readonly=True),
         'won_opportunity_per_duration': fields.function(_get_won_opportunity_per_duration, string='Revenue of opporunities whon per duration', type="string", readonly=True)
     }
@@ -205,7 +170,6 @@ class crm_case_section(osv.osv):
         'active': 1,
         'stage_ids': _get_stage_common,
         'use_leads': True,
-        'target_duration': "monthly",
     }
 
     _sql_constraints = [
diff --git a/addons/crm/crm_case_section_view.xml b/addons/crm/crm_case_section_view.xml
index 05169b97541..7f33d7c2b5c 100644
--- a/addons/crm/crm_case_section_view.xml
+++ b/addons/crm/crm_case_section_view.xml
@@ -78,7 +78,6 @@
                     <field name="note"/>
                     <field name="alias_id"/>
                     <field name="color"/>
-                    <field name="target_duration_txt"/>
                     <field name="open_lead_per_duration"/>
                     <field name="won_opportunity_per_duration"/>
                     <templates>
@@ -100,10 +99,10 @@
                                     <div class="oe_items_list">
                                         <div class="oe_salesteams_leads" t-if="record.use_leads.raw_value">
                                             <a name="%(crm_case_form_view_salesteams_lead)d" type="action">Leads</a>
-                                            <a name="%(action_report_crm_lead)d" type="action" class="oe_sparkline_bar_link"><field name="open_lead_per_duration" widget="sparkline_bar">Number of opening leads per duration.<br/>(last one is <t t-esc="record.target_duration_txt.value"/>).<br/>Click to see a detailed analysis of leads.</field></a>
+                                            <a name="%(action_report_crm_lead)d" type="action" class="oe_sparkline_bar_link"><field name="open_lead_per_duration" widget="sparkline_bar">Number of opening leads per month.<br/>Click to see a detailed analysis of leads.</field></a>
                                         </div><div class="oe_salesteams_opportunities">
                                             <a name="%(crm_case_form_view_salesteams_opportunity)d" type="action">Opportunities</a>
-                                            <a name="%(action_report_crm_opportunity)d" type="action"><field name="won_opportunity_per_duration" widget="sparkline_bar">Revenue of won opportunities per duration.<br/>(last one is <t t-esc="record.target_duration_txt.value"/>).<br/>Click to see a detailed analysis of opportunities.</field></a>
+                                            <a name="%(action_report_crm_opportunity)d" type="action"><field name="won_opportunity_per_duration" widget="sparkline_bar">Revenue of won opportunities per month.<br/>Click to see a detailed analysis of opportunities.</field></a>
                                         </div>
                                     </div>
                                 </div>
@@ -190,9 +189,6 @@
                                 <field name="user_id"/>
                                 <field name="change_responsible"/>
                             </group>
-                            <group colspan="4" col="2">
-                                <field name="target_duration" widget="radio"/>
-                            </group>
                             <group colspan="4" attrs="{'invisible': [('use_leads', '=', False)]}">
                                 
                             </group>
diff --git a/addons/sale_crm/sale_crm.py b/addons/sale_crm/sale_crm.py
index 5b189d01db0..b753438ee60 100644
--- a/addons/sale_crm/sale_crm.py
+++ b/addons/sale_crm/sale_crm.py
@@ -19,17 +19,11 @@
 #
 ##############################################################################
 
-from datetime import date
+from datetime import date, datetime
 from openerp import tools
 from dateutil.relativedelta import relativedelta
 from openerp.osv import osv, fields
 
-MONTHS = {
-    "monthly": 1,
-    "semesterly": 3,
-    "semiannually": 6,
-    "annually": 12
-}
 
 class sale_order(osv.osv):
     _inherit = 'sale.order'
@@ -57,60 +51,40 @@ class crm_case_section(osv.osv):
     def _get_created_quotation_per_duration(self, cr, uid, ids, field_name, arg, context=None):
         res = dict.fromkeys(ids, [])
         obj = self.pool.get('sale.order')
-        first_day = date.today().replace(day=1)
-
+        today = date.today().replace(day=1)
+        begin = (today + relativedelta(months=-5)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
         for section in self.browse(cr, uid, ids, context=context):
-            dates = [first_day + relativedelta(months=-(MONTHS[section.target_duration]*(key+1)-1)) for key in range(0, 5)]
-            rates = []
-            for when in range(0, 5):
-                domain = [("section_id", "=", section.id), ('state', 'in', ['draft', 'sent']), ('date_order', '>=', dates[when].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                if when:
-                    domain += [('date_order', '<', dates[when-1].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                # rate = 0
-                # order_ids = obj.search(cr, uid, domain, context=context)
-                # for order in obj.browse(cr, uid, order_ids, context=context):
-                #     rate += order.amount_total
-                # rates.append(rate)
-                group_obj = obj.read_group(cr, uid, domain, ['amount_total', 'section_id'], "section_id", context=context)
-                rates.append(group_obj and group_obj[0]['amount_total'] or 0)
-            rates.reverse()
-            res[section.id] = rates
+            domain = [("section_id", "=", section.id), ('state', 'in', ['draft', 'sent']), ('date_order', '>=', begin)]
+            group_obj = obj.read_group(cr, uid, domain, ['amount_total', "date_order"], "date_order", context=context)
+            group_list = [group['amount_total'] for group in group_obj]
+            nb_month = group_obj and relativedelta(today, datetime.strptime(group_obj[-1]['__domain'][0][2], '%Y-%m-%d')).months or 0
+            res[section.id] = [0]*(5 - len(group_list) - nb_month) + group_list + [0]*nb_month
         return res
 
     def _get_validate_saleorder_per_duration(self, cr, uid, ids, field_name, arg, context=None):
         res = dict.fromkeys(ids, [])
         obj = self.pool.get('sale.order')
-        first_day = date.today().replace(day=1)
-
+        today = date.today().replace(day=1)
+        begin = (today + relativedelta(months=-5)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
         for section in self.browse(cr, uid, ids, context=context):
-            dates = [first_day + relativedelta(months=-(MONTHS[section.target_duration]*(key+1)-1)) for key in range(0, 5)]
-            rates = []
-            for when in range(0, 5):
-                domain = [("section_id", "=", section.id), ('state', 'not in', ['draft', 'sent']), ('date_confirm', '>=', dates[when].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                if when:
-                    domain += [('date_confirm', '<', dates[when-1].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                group_obj = obj.read_group(cr, uid, domain, ['amount_total', 'section_id'], "section_id", context=context)
-                rates.append(group_obj and group_obj[0]['amount_total'] or 0)
-            rates.reverse()
-            res[section.id] = rates
+            domain = [("section_id", "=", section.id), ('state', 'not in', ['draft', 'sent']), ('date_confirm', '>=', begin)]
+            group_obj = obj.read_group(cr, uid, domain, ['amount_total', "date_confirm"], "date_confirm", context=context)
+            group_list = [group['amount_total'] for group in group_obj]
+            nb_month = group_obj and relativedelta(today, datetime.strptime(group_obj[-1]['__domain'][0][2], '%Y-%m-%d')).months or 0
+            res[section.id] = [0]*(5 - len(group_list) - nb_month) + group_list + [0]*nb_month
         return res
 
     def _get_sent_invoice_per_duration(self, cr, uid, ids, field_name, arg, context=None):
         res = dict.fromkeys(ids, [])
         obj = self.pool.get('account.invoice.report')
-        first_day = date.today().replace(day=1)
-
+        today = date.today().replace(day=1)
+        begin = (today + relativedelta(months=-5)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
         for section in self.browse(cr, uid, ids, context=context):
-            dates = [first_day + relativedelta(months=-(MONTHS[section.target_duration]*(key+1)-1)) for key in range(0, 5)]
-            rates = []
-            for when in range(0, 5):
-                domain = [("section_id", "=", section.id), ('state', 'not in', ['draft', 'cancel']), ('date', '>=', dates[when].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                if when:
-                    domain += [('date', '<', dates[when-1].strftime(tools.DEFAULT_SERVER_DATE_FORMAT))]
-                group_obj = obj.read_group(cr, uid, domain, ['price_total', 'section_id'], "section_id", context=context)
-                rates.append(group_obj and group_obj[0]['price_total'] or 0)
-            rates.reverse()
-            res[section.id] = rates
+            domain = [("section_id", "=", section.id), ('state', 'not in', ['draft', 'cancel']), ('date', '>=', begin)]
+            group_obj = obj.read_group(cr, uid, domain, ['price_total', "date"], "date", context=context)
+            group_list = [group['price_total'] for group in group_obj]
+            nb_month = group_obj and relativedelta(today, datetime.strptime(group_obj[-1]['__domain'][0][2], '%Y-%m-%d')).months or 0
+            res[section.id] = [0]*(5 - len(group_list) - nb_month) + group_list + [0]*nb_month
         return res
 
     _columns = {
diff --git a/addons/sale_crm/sale_crm_view.xml b/addons/sale_crm/sale_crm_view.xml
index 6b4d5f16c0e..32ddad3bd8f 100644
--- a/addons/sale_crm/sale_crm_view.xml
+++ b/addons/sale_crm/sale_crm_view.xml
@@ -217,9 +217,11 @@
             <field name="inherit_id" ref="crm.crm_case_section_view_form"/>
             <field name="arch" type="xml">
             <data>
-                <field name="target_duration" position="before">
-                    <field name="target_invoice"/>
-                </field>
+                <xpath expr="//group" position="inside">
+                    <group>
+                        <field name="target_invoice"/>
+                    </group>
+                </xpath>
             </data>
             </field>
         </record>
@@ -240,19 +242,19 @@
                 </xpath>
                 <xpath expr="//div[@class='oe_salesteams_leads']" position="after"><div class="oe_salesteams_orders">
                         <a name="%(action_orders_salesteams)d" type="action">Sales Orders</a>
-                        <a name="%(sale.action_order_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="validate_saleorder_per_duration" widget="sparkline_bar">Revenue of confirmed sales orders per <t t-esc="record.target_duration_txt.value"/>).<br/>Click the acces to Sales Analysis</field></a>
+                        <a name="%(sale.action_order_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="validate_saleorder_per_duration" widget="sparkline_bar">Revenue of confirmed sales orders per month.<br/>Click the acces to Sales Analysis</field></a>
                     </div></xpath>
                 <xpath expr="//div[@class='oe_salesteams_opportunities']" position="after"><div class="oe_salesteams_invoices">
                         <a name="%(action_invoice_salesteams)d" type="action" groups="account.group_account_invoice">Invoices</a>
-                        <a name="%(account.action_account_invoice_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="sent_invoice_per_duration" widget="sparkline_bar">Revenue of sent invoices per <t t-esc="record.target_duration_txt.value"/>.<br/>Click to see a detailed analysis of invoices.</field></a>
+                        <a name="%(account.action_account_invoice_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="sent_invoice_per_duration" widget="sparkline_bar">Revenue of sent invoices per month.<br/>Click to see a detailed analysis of invoices.</field></a>
                     </div><div class="oe_salesteams_quotations">
                         <a name="%(action_quotations_salesteams)d" type="action" class="oe_sparkline_bar_link">Quotations</a>
-                        <a name="%(sale.action_order_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="created_quotation_per_duration" widget="sparkline_bar">Revenue of created quotation per <t t-esc="record.target_duration_txt.value"/>.<br/>Click to see a detailed analysis of sales.</field></a>
+                        <a name="%(sale.action_order_report_all)d" type="action" class="oe_sparkline_bar_link"><field name="created_quotation_per_duration" widget="sparkline_bar">Revenue of created quotation per month.<br/>Click to see a detailed analysis of sales.</field></a>
                     </div></xpath>
                 <xpath expr="//div[@class='oe_items_list']" position="after">
                     <div class="oe_center" t-if="record.target_invoice.raw_value">
-                        <field name="sent_invoice_per_duration" widget="gage" style="width:160px; height: 120px;" options="{'max_field': 'target_invoice', 'label_field': 'target_duration_txt'}">Invoiced</field>
-                        <field name="forecast" widget="gage" style="width:160px; height: 120px;" options="{'max_field': 'target_invoice', 'label_field': 'target_duration_txt', 'action_change': 'action_forecast'}">Forecast</field>
+                        <field name="sent_invoice_per_duration" widget="gage" style="width:160px; height: 120px;" options="{'max_field': 'target_invoice'}">Invoiced</field>
+                        <field name="forecast" widget="gage" style="width:160px; height: 120px;" options="{'max_field': 'target_invoice', 'action_change': 'action_forecast'}">Forecast</field>
                     </div>
                     <div class="oe_center" style="color:#bbbbbb;" t-if="!record.target_invoice.raw_value">
                         <br/>Define an invoicing target in the sales team settings to see the period's achievement and forecast at a glance.