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)*100/(INP_YES + INP_NO + UNIDENTIFIED),1) AS 入院率
FROM HOSPITALIZATION H
LEFT JOIN PREFECTURE P
ON H.PF_CODE = P.PF_CODE
ORDER BY 入院率 DESC ,H.PF_CODE