SELECT
    PRE.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
    , PRE.PF_CODE ASC