SELECT
    T1.AGE_NAME AS "年齢階層" 
    ,SUM(CASE WHEN T3.TIME_CODE = 120 THEN T2.TARGET_POP ELSE 0 END) AS "5時間未満"
    ,SUM(CASE WHEN T3.TIME_CODE = 130 THEN T2.TARGET_POP ELSE 0 END) AS "5時間以上6時間未満"
    ,SUM(CASE WHEN T3.TIME_CODE = 140 THEN T2.TARGET_POP ELSE 0 END) AS "6時間以上7時間未満"
    ,SUM(CASE WHEN T3.TIME_CODE = 150 THEN T2.TARGET_POP ELSE 0 END) AS "7時間以上8時間未満"
    ,SUM(CASE WHEN T3.TIME_CODE = 160 THEN T2.TARGET_POP ELSE 0 END) AS "8時間以上9時間未満"
    ,SUM(CASE WHEN T3.TIME_CODE = 170 THEN T2.TARGET_POP ELSE 0 END) AS "9時間以上"
    ,SUM(CASE WHEN T3.TIME_CODE = 180 THEN T2.TARGET_POP ELSE 0 END) AS "不詳"
FROM
    AGE_GRP AS T1 
    INNER JOIN SLEEP_TIME_DTL AS T2 
        ON T1.AGE_CODE = T2.AGE_CODE 
    INNER JOIN SLEEP_TIME AS T3 
        ON T2.TIME_CODE = T3.TIME_CODE 
GROUP BY
    T1.AGE_NAME 
ORDER BY
    "年齢階層";