SELECT
    P.PF_CODE AS CODE,
    P.PF_NAME AS NAME,
    ROUND(
        (SUM(CASE D_H.CATEGORY_CODE WHEN '120' THEN AMT ELSE 0 END) * 1.0)
        / SUM(CASE D_H.CATEGORY_CODE WHEN '110' THEN AMT ELSE 0 END) * 100,
        1
        )AS PERCENTAGE
FROM
    DRINK_HABITS D_H
    INNER JOIN PREFECTURE P
        ON P.PF_CODE = D_H.PF_CODE
WHERE
    D_H.GENDER_CODE IN ('2', '3')
GROUP BY
    P.PF_CODE,
    P.PF_NAME
;