select 
    ag.age_name as "年齢階層",
    sum(case when std.time_code = '120' then TARGET_POP else 0 end) as "5時間未満",
    sum(case when std.time_code = '130' then TARGET_POP else 0 end) as "5時間以上6時間未満",
    sum(case when std.time_code = '140' then TARGET_POP else 0 end) as "6時間以上7時間未満",
    sum(case when std.time_code = '150' then TARGET_POP else 0 end) as "7時間以上8時間未満",
    sum(case when std.time_code = '160' then TARGET_POP else 0 end) as "8時間以上9時間未満",
    sum(case when std.time_code = '170' then TARGET_POP else 0 end) as "9時間以上",
    sum(case when std.time_code = '180' then TARGET_POP else 0 end) as "不詳"
    from SLEEP_TIME_DTL as std
        inner join AGE_GRP as ag
        on std.age_code = ag.age_code
    group by ag.age_name
;