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
JOIN
    AGE_GRP AS ag
ON
    std.AGE_CODE = ag.AGE_CODE
JOIN
    SLEEP_TIME AS st
ON
    std.TIME_CODE = st.TIME_CODE
GROUP BY
    ag.AGE_NAME
ORDER BY
    std.AGE_CODE;