Question: How common are the various company size groups in %?
SQL:
SELECT OrgSize, COUNT(OrgSize) * 100.0 / (SELECT COUNT(OrgSize) FROM Responses) AS a FROM Responses WHERE NOT OrgSize IS NULL GROUP BY OrgSize
SELECT OrgSize, COUNT(*) * 100.0 / (SELECT COUNT(*) FROM Responses) AS Percentage FROM Responses WHERE NOT OrgSize IS NULL GROUP BY OrgSize