select a.AGE_CODE as "年齢コード",
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 a
left join AGE_GRP b
  on a.AGE_CODE = b.AGE_CODE
left join PREFECTURE c
  on a.PF_CODE = c.PF_CODE
where PF_NAME in ("北海道","青森県","岩手県","宮城県","福島県")
  and AGE_NAME is not null
group by a.AGE_CODE,AGE_NAME
order by a.AGE_CODE