SELECT
    A.age_name AS '年齢階層'
,   SUM(CASE D.time_code WHEN 120 THEN D.target_pop ELSE 0 END) AS "5時間未満"
,   SUM(CASE D.time_code WHEN 130 THEN D.target_pop ELSE 0 END) AS "5時間以上6時間未満"
,   SUM(CASE D.time_code WHEN 140 THEN D.target_pop ELSE 0 END) AS "6時間以上7時間未満"
,   SUM(CASE D.time_code WHEN 150 THEN D.target_pop ELSE 0 END) AS "7時間以上8時間未満"
,   SUM(CASE D.time_code WHEN 160 THEN D.target_pop ELSE 0 END) AS "8時間以上9時間未満"
,   SUM(CASE D.time_code WHEN 170 THEN D.target_pop ELSE 0 END) AS "9時間以上"
,   SUM(CASE D.time_code WHEN 180 THEN D.target_pop ELSE 0 END) AS "不詳"
FROM
    sleep_time_dtl AS D
    INNER JOIN
        age_grp AS A
        ON D.age_code = A.age_code
GROUP BY
    D.age_code
ORDER BY
    D.age_code