SELECT
    HP.PF_CODE AS 都道府県コード,
    PF.PF_NAME AS 都道府県名,
    (HP.INP_YES * 100.0 / (HP.INP_YES + HP.INP_NO + HP.UNIDENTIFIED)) AS 入院率
FROM
    HOSPITALIZATION AS HP
INNER JOIN
    PREFECTURE AS PF ON PF.PF_CODE = HP.PF_CODE
ORDER BY
    入院率 DESC,
    HP.PF_CODE ASC;