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