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;