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