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Q&A for spacecraft operators, scientists, engineers, and enthusiasts

SELECT TOP 50 [year], Tag, COUNT(*) QuestionCount
  FROM (
SELECT YEAR(CreationDate) [year], p.Id, t.Tag
  FROM Posts p
 OUTER APPLY (
     SELECT REPLACE(REPLACE(value, '<', ''), '>', '') Tag
       FROM STRING_SPLIT(p.Tags, '>')
      WHERE LEN(value) > 0) t
 WHERE PostTypeId = 1 ) raw -- questions
 WHERE [year] IN (##Year:int##)
 GROUP BY [year], Tag
 ORDER BY COUNT(*) DESC

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created oct 16 Jon Manese