SELECT
    age.AGE_NAME as "年齢階層",
    SUM(CASE std.TIME_CODE WHEN 120 THEN std.TARGET_POP ELSE NULL END) as "5時間未満",
    SUM(CASE std.TIME_CODE WHEN 130 THEN std.TARGET_POP ELSE NULL END) as "5時間以上6時間未満",
    SUM(CASE std.TIME_CODE WHEN 140 THEN std.TARGET_POP ELSE NULL END) as "6時間以上7時間未満",
    SUM(CASE std.TIME_CODE WHEN 150 THEN std.TARGET_POP ELSE NULL END) as "7時間以上8時間未満",
    SUM(CASE std.TIME_CODE WHEN 160 THEN std.TARGET_POP ELSE NULL END) as "8時間以上9時間未満",
    SUM(CASE std.TIME_CODE WHEN 170 THEN std.TARGET_POP ELSE NULL END) as "9時間以上",
    SUM(CASE std.TIME_CODE WHEN 180 THEN std.TARGET_POP ELSE NULL END) as "不詳"
FROM
    SLEEP_TIME_DTL std,
    AGE_GRP age
WHERE 
    std.AGE_CODE = age.AGE_CODE
GROUP BY 
    std.AGE_CODE
ORDER BY
    std.AGE_CODE