SELECT
    H.PF_CODE AS 都道府県コード
    , PF_NAME AS 都道府県名
    , ROUND((CAST(INP_YES AS REAL)/CAST(INP_YES+INP_NO+UNIDENTIFIED AS REAL)*100),1) AS 入院率
FROM
    HOSPITALIZATION H
    INNER JOIN PREFECTURE P USING(PF_CODE)
GROUP BY 1
ORDER BY 3 DESC,1;