SELECT 
  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 '不祥'
FROM SLEEP_TIME_DTL
JOIN AGE_GRP USING(AGE_CODE)
GROUP BY AGE_CODE
ORDER BY AGE_CODE;