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