SELECT
  p.PF_CODE AS 都道府県コード,
  p.PF_NAME AS 都道府県名,
  ROUND(1.0 * h.INP_YES * 100 / (h.INP_YES + h.INP_NO + h.UNIDENTIFIED), 1) AS 入院率
FROM HOSPITALIZATION h
  INNER JOIN PREFECTURE p
  ON h.PF_CODE = p.PF_CODE
ORDER BY 入院率 DESC, h.PF_CODE