select 
    std.age_code as 年齢コード,
    ag.age_name as 年齢階層名,
    sum(std.sp_time_5) as ５時間未満,
    sum(std.sp_time_6) as ５時間以上６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
    sleep_time_dtl as std
inner join 
    age_grp as ag
on std.age_code = ag.age_code
inner join 
    prefecture as p
on std.pf_code = p.pf_code and p.pf_name in ('北海道','青森県','岩手県','宮城県','福島県')
group by std.age_code
order by std.age_code