SELECT 
    AGE_CODE AS 年齢コード,
    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 DTL
JOIN AGE_GRP ON DTL.AGE_CODE = AGE_GRP.AGE_CODE
GROUP BY 年齢階層
ORDER BY AGE_GRP.AGE_CODE;