SELECT
    PREFECTURE.PF_CODE AS 都道府県コード,
    PF_NAME AS 都道府県名,
    ROUND(CAST(INP_YES*100 AS FLOAT) / CAST(INP_YES + INP_NO + UNIDENTIFIED AS FLOAT), 2) 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