SELECT A.PF_CODE AS 都道府県コード
    ,PF_NAME AS 都道府県名
    ,ROUND(CAST(1.00 * INP_YES /(INP_YES + INP_NO + UNIDENTIFIED) * 100 AS DECIMAL),2) as 入院率
FROM HOSPITALIZATION A
INNER JOIN PREFECTURE B
ON A.PF_CODE = B.PF_CODE 
ORDER BY ROUND(CAST(INP_YES /(INP_YES + INP_NO + UNIDENTIFIED) * 100 AS DECIMAL),2) DESC