select 
    a.age_name as "年齢階層",
    sum(case when s.time_code = 120 then target_pop else 0 end) as "5時間未満",
    sum(case when s.time_code = 130 then target_pop else 0 end) as "5時間以上6時間未満",
    sum(case when s.time_code = 140 then target_pop else 0 end) as "6時間以上7時間未満",
    sum(case when s.time_code = 150 then target_pop else 0 end) as "7時間以上8時間未満",
    sum(case when s.time_code = 160 then target_pop else 0 end) as "8時間以上9時間未満",
    sum(case when s.time_code = 170 then target_pop else 0 end) as "9時間以上",
    sum(case when s.time_code = 180 then target_pop else 0 end) as "不詳"
from 
    sleep_time_dtl s 
left join 
    age_grp a 
    on s.age_code = a.age_code 
group by 
    s.age_code 
order by 
    s.age_code asc