Q&A for people interested in the history and origins of science and mathematics
select date1, count(distinct id) from ( SELECT distinct FORMAT (d.CreationDate, 'yyyy-MM') as [date1], (d.Id) as id, d.Body, Score, AnswerCount, CommentCount, FavoriteCount FROM Posts d WHERE d.PostTypeId = 1 -- 1=Question and d.CreationDate >= '2019-01-01' and d.CreationDate <= '2020-11-01' and d.tags like '%kotlin%') z group by date1 order by date1 ASC