TOP 10 FILTER NOT WORKING

Summary

Trying to show top 10 voucher aging report

Content

Calculation: COUNT(DISTINCT VOUCHER_ID) 

Alone it just shows 10 voucher rows.  When added as filter it has not affect.

Using Table Control. Fields (Voucher ID, Voucher Aging (Days), OperID)

Filter Top / Bottom N  Count 10, but I see 50 rows, all unique 

Not sure what I am doing wrong

 

 

Version

18 cloud DVD