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SELECT year(p1.ClosedDate) as y , month(p1.ClosedDate) as m , cast (year(p1.ClosedDate) as varchar(10)) + '/' + cast(month(p1.ClosedDate) as varchar(19)) as ym , count(p1.Id) as ClosedQuestions , count(p2.Id) as TotalQuestions FROM PostHistory JOIN Posts AS p1 ON p1.Id = PostHistory.PostId LEFT JOIN Posts AS p2 ON p2.Id = PostHistory.PostId WHERE p1.ClosedDate >= '2012-01-01' --AND Posts.ClosedDate < '2012-12-01' AND PostHistoryTypeId = 10 AND PostHistory.Comment != 1 group by year(p1.ClosedDate), month(p1.ClosedDate) ORDER BY 1 desc, 2 desc