User blog comment:Kirkburn/Technical Update: January 7, 2014/@comment-1158325-20140108204232/@comment-126761-20140109120042

General wiki maintenance could strongly affect the count as well - for example, on this wiki User:Sannse's count increased from ~6,800 to ~9,700 with the change. I think it's fair to say sannse probably wasn't a vandal in those 2,900 edits :)