with t1 as (
select
DRINK_HABITS.PF_CODE, sum(AMT) as sum
from 
DRINK_HABITS
inner join PREFECTURE
on DRINK_HABITS.PF_CODE = PREFECTURE.PF_CODE
group by DRINK_HABITS.PF_CODE
)
select
PREFECTURE.PF_CODE as CODE, PREFECTURE.PF_NAME as NAME, round((cast(AMT as REAL) / cast(sum as REAL) * 100), 2) as PERCENTAGE
from 
DRINK_HABITS
inner join PREFECTURE
on DRINK_HABITS.PF_CODE = PREFECTURE.PF_CODE
inner join t1
on DRINK_HABITS.PF_CODE = t1.PF_CODE
where DRINK_HABITS.gender_code !='3' and CATEGORY_CODE = 110
group by DRINK_HABITS.PF_CODE
order by PERCENTAGE desc, PREFECTURE.PF_CODE desc
limit 100
;