SELECT 
    HS.PF_CODE AS 都道府県コード,
    PF.PF_NAME AS 都道府県名,
    ROUND(CAST(INP_YES*100 AS REAL)/CAST(INP_YES+INP_NO+UNIDENTIFIED AS REAL), 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;