Q&A about the site for users of TeX, LaTeX, ConTeXt, and related typesetting systems
SELECT YEAR(CreationDate) AS Year, CAST(SUM(CASE WHEN VoteTypeId = 2 THEN 1 ELSE 0 END) AS FLOAT) / CAST(SUM(CASE WHEN VoteTypeId = 3 THEN 1 ELSE 0 END) AS FLOAT) AS UpvoteDownvoteRatio FROM Votes WHERE YEAR(CreationDate) BETWEEN 2009 AND 2023 GROUP BY YEAR(CreationDate) ORDER BY YEAR(CreationDate);