SELECT a.AGE_NAME 年齢階層,
    sum(CASE WHEN std.TIME_CODE = 120 THEN TARGET_POP end) AS "5時間未満",
    sum(CASE WHEN std.TIME_CODE = 130 THEN TARGET_POP end) AS "5時間以上6時間未満",
    sum(CASE WHEN std.TIME_CODE = 140 THEN TARGET_POP end) AS "6時間以上7時間未満",
    sum(CASE WHEN std.TIME_CODE = 150 THEN TARGET_POP end) AS "7時間以上8時間未満",
    sum(CASE WHEN std.TIME_CODE = 160 THEN TARGET_POP end) AS "8時間以上9時間未満",
    sum(CASE WHEN std.TIME_CODE = 170 THEN TARGET_POP end) AS "9時間以上",
    sum(CASE WHEN std.TIME_CODE = 180 THEN TARGET_POP end) AS 不詳
    
FROM SLEEP_TIME_DTL std JOIN AGE_GRP a ON std.AGE_CODE = a.AGE_CODE
    JOIN SLEEP_TIME s ON std.TIME_CODE = s.TIME_CODE
GROUP BY std.AGE_CODE
ORDER BY std.AGE_CODE