I am using the Excel formula:
=IF(M2=0,"",IF(M2>0,SUMPRODUCT(($B$2:$B$162=B2)*($C$2:$C$162=C2),(M2<=$M$2:$M$162)/COUNTIF($M$2:$M$162,$M$2:$M$162))))
And I am getting some numbers with decimal point.
I do appreciate your assisting me with this issue.
Thanks and Regards