select sleep_time_dtl.age_code as "年齢コード", 
age_grp.age_name as "年齢階層",
sum(sp_time_5) as "5時間以上6時間未満",
sum(sp_time_6) as "6時間以上7時間未満",
sum(sp_time_7) as "7時間以上8時間未満",
sum(sp_time_8) as "8時間以上9時間未満",
sum (sp_time_9) as "9時間以上"
from sleep_time_dtl
inner join age_grp on sleep_time_dtl.age_code = age_grp.age_code
inner join prefecture on sleep_time_dtl.pf_code = prefecture.pf_code
where prefecture.pf_name IN("北海道","青森県","岩手県","宮城県","福島県")
GROUP BY SLEEP_TIME_DTL.AGE_CODE
order by sleep_time_dtl.age_code;