Counts the number of distinct tag wikis that you've edited.
Q&A for those who study, teach, research and apply economics and econometrics
select COUNT(DISTINCT Posts.Id) as TagWikisEdited, CAST(CONVERT(DECIMAL(5,2), COUNT(DISTINCT Posts.Id) * 2.0) as VARCHAR(6)) + '%' as Progress from SuggestedEdits as Edit LEFT JOIN Posts on Edit.PostId=Posts.Id WHERE Edit.OwnerUserId=##UserID:int## AND Posts.PostTypeId = 5 AND Edit.ApprovalDate is not null