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