SELECT A.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 A
INNER JOIN PREFECTURE B
ON A.PF_CODE = B.PF_CODE 
ORDER BY 入院率,A.PF_CODE DESC