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