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