SELECT
    PREFECTURE.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) * 100
        /
        CAST((HOSPITALIZATION.INP_YES+ HOSPITALIZATION.INP_NO+ HOSPITALIZATION.UNIDENTIFIED) AS REAL
        ) 
        , 1
    ) AS 入院率
FROM
    HOSPITALIZATION,
    PREFECTURE
WHERE
    HOSPITALIZATION.PF_CODE = PREFECTURE.PF_CODE
ORDER BY
    入院率 DESC,
    HOSPITALIZATION.PF_CODE ASC