select
    a.AGE_CODE as 年齢コード,
    a.AGE_NAME as 年齢階層名,
    sum(SP_TIME_5) as '5時間未満',
    sum(SP_TIME_6) as '5時間以上6時間未満',
    sum(SP_TIME_7) as '6時間以上7時間未満',
    sum(SP_TIME_8) as '7時間以上8時間未満',
    sum(SP_TIME_9) as '8時間以上9時間未満',
    sum(SP_TIME_9OVER) as '9時間以上'
        
from SLEEP_TIME_DTL s
inner join PREFECTURE p
    on p.PF_CODE = s.PF_CODE
inner join AGE_GRP a
    on s.AGE_CODE = a.AGE_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;