SELECT t2.AGE_NAME AS 年齢階層,
    SUM(CASE WHEN t1.TIME_CODE = 120 THEN t1.TARGET_POP ELSE 0 END) AS `5時間未満`,
    SUM(CASE WHEN t1.TIME_CODE = 130 THEN t1.TARGET_POP ELSE 0 END) AS `5時間以上6時間未満`,
    SUM(CASE WHEN t1.TIME_CODE = 140 THEN t1.TARGET_POP ELSE 0 END) AS `6時間以上7時間未満`,
    SUM(CASE WHEN t1.TIME_CODE = 150 THEN t1.TARGET_POP ELSE 0 END) AS `7時間以上8時間未満`,
    SUM(CASE WHEN t1.TIME_CODE = 160 THEN t1.TARGET_POP ELSE 0 END) AS `8時間以上9時間未満`,
    SUM(CASE WHEN t1.TIME_CODE = 170 THEN t1.TARGET_POP ELSE 0 END) AS `9時間以上`,
    SUM(CASE WHEN t1.TIME_CODE = 180 THEN t1.TARGET_POP ELSE 0 END) AS 不詳
FROM SLEEP_TIME_DTL t1
    JOIN AGE_GRP t2 ON t1.AGE_CODE = t2.AGE_CODE
    JOIN SLEEP_TIME t3 ON t1.TIME_CODE = t3.TIME_CODE
GROUP BY t1.AGE_CODE
ORDER BY t1.AGE_CODE