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select tags.tagname as [tag name], count(*) as [questions closed], tags.count as [total questions], (CONVERT(decimal,count(*)) / CONVERT(decimal,tags.count)) * 100 as [percent closed] from posts inner join posttags on posts.id = posttags.postid inner join tags on tags.id = posttags.tagid where tags.tagname in ('f#', 'c#', 'haskell', 'scala', 'clojure','python','rebol','J','APL') and posts.closeddate is not null group by tags.id, tags.tagname, tags.count