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