select 
    ag.age_name as 年齢階層,
    SUM(CASE WHEN TIME_CODE = 120 THEN TARGET_POP ELSE 0 END) AS "5時間未満",
    SUM(CASE WHEN TIME_CODE = 130 THEN TARGET_POP ELSE 0 END) AS "5時間以上6時間未満",
    SUM(CASE WHEN TIME_CODE = 140 THEN TARGET_POP ELSE 0 END) AS "6時間以上7時間未満",
    SUM(CASE WHEN TIME_CODE = 150 THEN TARGET_POP ELSE 0 END) AS "7時間以上8時間未満",
    SUM(CASE WHEN TIME_CODE = 160 THEN TARGET_POP ELSE 0 END) AS "8時間以上9時間未満",
    SUM(CASE WHEN TIME_CODE = 170 THEN TARGET_POP ELSE 0 END) AS "9時間以上",
    SUM(CASE WHEN TIME_CODE = 180 THEN TARGET_POP ELSE 0 END) AS 不詳
from 
    sleep_time_dtl as std
    left outer join
        age_grp as ag
    on 
        std.age_code = ag.age_code
group by ag.age_code
order by ag.age_code;