or download this
$_app_object->ActiveWorkbook->PivotCaches->Add({SourceType => xlDataba
+se, SourceData => 'Sheet1!R1C1:R4C3'})->CreatePivotTable({TableDestin
+ation => 'Sheet1!R8C3', TableName => 'PivotTable1', DefaultVersion =>
+ xlPivotTableVersion10});
$_app_object->ActiveSheet->PivotTables('PivotTable1')->AddDataField
+($_app_object->ActiveSheet->PivotTables('PivotTable1')->PivotFields('
+a') );
...
$_app_object->ActiveSheet->PivotTables('PivotTable1')->PivotFields(
+'b')->{Position} = 2;
$_app_object->ActiveSheet->PivotTables('PivotTable1')->PivotFields(
+'a')->{Subtotals} = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];