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