SELECT
  AGE_GRP.AGE_CODE AS `年齢コード`,
  AGE_GRP.AGE_NAME AS `年齢階層名`,
  SUM(SP_TIME_5) AS `5時間未満`,
  SUM(SP_TIME_6) AS `5時間以上6時間未満`,
  SUM(SP_TIME_7) AS `6時間以上7時間未満`,
  SUM(SP_TIME_8) AS `7時間以上8時間未満`,
  SUM(SP_TIME_9) AS `8時間以上9時間未満`,
  SUM(SP_TIME_9OVER) AS `9時間以上`
FROM
  AGE_GRP
INNER JOIN
  SLEEP_TIME_DTL ON AGE_GRP.AGE_CODE = SLEEP_TIME_DTL.AGE_CODE
WHERE
  SLEEP_TIME_DTL.PF_CODE IN (SELECT PF_CODE FROM PREFECTURE WHERE PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県'))
ORDER BY
  AGE_GRP.AGE_CODE DESC