SELECT
    DH.PF_CODE AS CODE
    , PF.PF_NAME AS NAME
    , ROUND( 
        100.0 * SUM( 
            CASE DH.CATEGORY_CODE 
                WHEN '120' THEN DH.AMT 
                ELSE 0 
                END
        ) / SUM( 
            CASE DH.CATEGORY_CODE 
                WHEN '110' THEN DH.AMT 
                ELSE 0 
                END
        ) 
        , 1
    ) AS PERCENTAGE 
FROM
    DRINK_HABITS AS DH 
    INNER JOIN PREFECTURE AS PF 
        ON PF.PF_CODE = DH.PF_CODE 
WHERE
    DH.GENDER_CODE IN ('2', '3') 
GROUP BY
    DH.PF_CODE 
ORDER BY
    PERCENTAGE DESC
    , DH.PF_CODE DESC;