select 
    ag.age_name as '年齢階層', 
    sum(case when std.time_code = 120 then target_pop end) as '5時間未満',
    sum(case when std.time_code = 130 then target_pop end) as '5時間以上6時間未満',
    sum(case when std.time_code = 140 then target_pop end) as '6時間以上7時間未満',
    sum(case when std.time_code = 150 then target_pop end) as '7時間以上8時間未満',
    sum(case when std.time_code = 160 then target_pop end) as '8時間以上9時間未満',
    sum(case when std.time_code = 170 then target_pop end) as '9時間以上',
    sum(case when std.time_code = 180 then target_pop end) as '不詳'
from age_grp ag
join sleep_time_dtl std on ag.age_code = std.age_code
join sleep_time st on st.time_code = std.time_code
group by std.age_code
order by 1