select
    a.AGE_CODE as '年齢コード',
    a.AGE_NAME as '年齢階層名',
    sum(s.SP_TIME_5) as '5時間未満',
    sum(s.SP_TIME_6) as '5時間以上6時間未満',
    sum(s.SP_TIME_7) as '6時間以上7時間未満',
    sum(s.SP_TIME_8) as '7時間以上8時間未満',
    sum(s.SP_TIME_9) as '8時間以上9時間未満',
    sum(s.SP_TIME_9OVER) as '9時間以上'
from
    SLEEP_TIME_DTL as s
join 
    AGE_GRP as a 
    on s.AGE_CODE = a.AGE_CODE
join 
    PREFECTURE as p 
    on s.PF_CODE = p.PF_CODE
where 
    p.PF_NAME IN('北海道','青森県','岩手県','宮城県','福島県')
group by
    a.AGE_CODE, a.AGE_NAME
;