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