SELECT
    P.PF_CODE AS 都道府県コード,
    P.PF_NAME AS 都道府県名,
    ROUND(H.INP_YES * 1.0 / (H.INP_YES + H.INP_NO + H.UNIDENTIFIED) * 100, 2) AS 入院率
FROM
    HOSPITALIZATION H
    INNER JOIN PREFECTURE P
        ON P.PF_CODE = H.PF_CODE
ORDER BY
    入院率 DESC,
    都道府県コード ASC
;