Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
SELECT YEAR(CreationDate) AS QuestionYear, COUNT(CASE WHEN Tags LIKE '%<r>%' THEN 1 END) AS R_Questions, COUNT(*) AS TotalQuestions, SUM(COUNT(*)) OVER (ORDER BY YEAR(CreationDate)) AS Year_Total, ROUND( (COUNT(CASE WHEN Tags LIKE '%<r>%' THEN 1 END) * 100.0) / COUNT(*), 2 ) AS R_Percentage FROM Posts WHERE PostTypeId = 1 -- 1 = Questions GROUP BY YEAR(CreationDate) ORDER BY QuestionYear;