=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/DataQueryParams.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/DataQueryParams.java	2013-05-28 13:48:36 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/DataQueryParams.java	2013-05-28 14:01:31 +0000
@@ -411,6 +411,22 @@
     }
     
     /**
+     * Returns the period type of the first period specified as filter. Returns
+     * null if there is no period filter.
+     */
+    public PeriodType getFilterPeriodType()
+    {
+        List<NameableObject> filterPeriods = getFilterPeriods();
+        
+        if ( filterPeriods != null && !filterPeriods.isEmpty() )
+        {
+            return ( (Period) filterPeriods.get( 0 ) ).getPeriodType();
+        }
+        
+        return null;
+    }
+    
+    /**
      * Returns the number of dimension option permutations. Merges the three data
      * dimensions into one prior to the calculation.
      */

=== modified file 'dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/data/DefaultAnalyticsService.java'
--- dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/data/DefaultAnalyticsService.java	2013-05-28 13:48:36 +0000
+++ dhis-2/dhis-services/dhis-service-analytics/src/main/java/org/hisp/dhis/analytics/data/DefaultAnalyticsService.java	2013-05-28 14:01:31 +0000
@@ -52,6 +52,7 @@
 import static org.hisp.dhis.organisationunit.OrganisationUnit.KEY_LEVEL;
 import static org.hisp.dhis.organisationunit.OrganisationUnit.KEY_USER_ORGUNIT;
 import static org.hisp.dhis.organisationunit.OrganisationUnit.KEY_USER_ORGUNIT_CHILDREN;
+import static org.hisp.dhis.period.PeriodType.getPeriodTypeFromIsoString;
 import static org.hisp.dhis.reporttable.ReportTable.IRT2D;
 import static org.hisp.dhis.reporttable.ReportTable.addIfEmpty;
 
@@ -307,6 +308,8 @@
 
             Map<String, PeriodType> dsPtMap = dataSourceParams.getDataSetPeriodTypeMap();
 
+            PeriodType filterPeriodType = dataSourceParams.getFilterPeriodType();
+            
             // -----------------------------------------------------------------
             // Join data maps, calculate completeness and add to grid
             // -----------------------------------------------------------------
@@ -318,10 +321,10 @@
                 List<String> targetRow = ListUtils.getAtIndexes( dataRow, completenessDimIndexes );
                 String targetKey = StringUtils.join( targetRow, DIMENSION_SEP );
                 Double target = targetMap.get( targetKey );
-                             
+                
                 if ( target != null && entry.getValue() != null )
                 {
-                    PeriodType queryPt = PeriodType.getPeriodTypeFromIsoString( dataRow.get( periodIndex ) );
+                    PeriodType queryPt = filterPeriodType != null ? filterPeriodType : getPeriodTypeFromIsoString( dataRow.get( periodIndex ) );
                     PeriodType dataSetPt = dsPtMap.get( dataRow.get( dataSetIndex ) );
                     
                     target = target * queryPt.getPeriodSpan( dataSetPt );