SELECT
  H.PF_CODE AS "都道府県コード",
  P.PF_NAME,
  ROUND(
    CAST(H.INP_YES AS REAL) / (
      CAST(H.INP_YES AS REAL) + CAST(H.INP_NO AS REAL) + CAST(H.UNIDENTIFIED AS REAL)
    ) * 100,
    1
  ) AS "入院率"
FROM
  HOSPITALIZATION H
  JOIN PREFECTURE P ON H.PF_CODE = P.PF_CODE
ORDER BY
  "入院率" DESC,
  "都道府県コード" ASC;