select
    std.AGE_CODE "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 as std
inner join
    AGE_GRP as ag
on
    ag.AGE_CODE = std.AGE_CODE
left join
    PREFECTURE as pref
on
    pref.PF_CODE = std.PF_CODE
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
    1,2;