select
    age.age_code as 年齢コード,
    age.age_name as 年齢階層名,
    sum(std.sp_time_6) as '5時間未満',
    sum(std.sp_time_7) as '6時間以上7時間未満',
    sum(std.sp_time_8) as '7時間以上8時間未満',
    sum(std.sp_time_9) as '8時間以上9時間未満',
    sum(std.sp_time_9over) as '9時間以上'
from
    age_grp age
    join sleep_time_dtl std on age.age_code = std.age_code
    join prefecture pref on std.pf_code = pref.pf_code
where
    pref.pf_name in ('北海道', '青森県', '岩手県', '宮城県', '福島県')
group by
    age.age_code
order by
    age.age_code asc