Q&A for professional and enthusiast programmers
with usersWithAnswers as ( select u.id, u.creationDate, count(*) answers from users u inner join posts p on p.ownerUserId = u.id where postTypeId = 2 --answer group by u.id, u.creationDate ) select year(creationDate) joinYear, count(*) from usersWithAnswers where answers > ##NumberOfAnswers:int## group by year(creationDate) order by joinYear