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