KMyMoney:- struggling to filter out £0 accounts from NetWworth report

using KMM 5.1.2 on
Linux Desktop: MATE 1.26.0 on Linux Mint 21.2 Victoria on Ubuntu 22.04 jammy

Running a NetWorth report…
Have selected Config…Filter… Amount >100
however, the report still shows some, but not all, £0 accounts.

what am I missing?