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DECLARE @1MonthsAgo datetime = DATEADD(month, -1, GETDATE()) DECLARE @2MonthsAgo datetime = DATEADD(month, -2, GETDATE()) DECLARE @3MonthsAgo datetime = DATEADD(month, -3, GETDATE()) SELECT TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = 'angularjs' AND posts.creationdate > @1MonthsAgo group by tagname SELECT TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = 'angularjs' AND posts.creationdate > @2MonthsAgo and posts.creationdate < @1MonthsAgo group by tagname SELECT --TOP 20 TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = 'knockout.js' AND posts.creationdate > @1MonthsAgo group by tagname