For each Wikimedia wiki there is a Wikistats file with edits per user per namespace, e.g. for wp:simple this is
Data in this file are inconsistent with most other Wikistats data, in that they
1 do not exclude edits on redirects
2 do not exclude bots
So after a fix, as per this ticket, our overall deduplicated totals for active editors [1 ] will drop measurably.