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
    , 都道府県コード ASC