select
    prefecture.pf_code as CODE,
    prefecture.pf_name as NAME,
    round(100.0 * population.drink_amount / population.total_amount, 1) as PERCENTAGE
from
    (select
        pf_code,
        sum(case when category_code = '120' then amt else 0 end) as drink_amount,
        sum(case when category_code = '110' then amt else 0 end) as total_amount
    from
        drink_habits
    where
        gender_code in ('2', '3')
    group by
        pf_code
    ) population
    inner join prefecture
    using (pf_code)
order by
    percentage desc,
    prefecture.pf_code desc
;