select
    s.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 s
join AGE_GRP a on s.AGE_CODE = a.AGE_CODE
join PREFECTURE p on p.PF_CODE = s.PF_CODE
WHERE
   p.PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
group by s.AGE_CODE
order by s.AGE_CODE asc;