select
 age_grp.age_code as '年齢コード'
 ,age_grp.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
INNER JOIN
 age_grp using(age_code)
where
 pf_code IN (SELECT pf_code FROM prefecture WHERE pf_name IN ('北海道','青森県','岩手県','宮城県','福島県'))
GROUP BY
 1,2
ORDER BY
 1