WITH SUMMARY AS (
  SELECT
    T1.AGE_CODE AS 年齢コード,
    SUM(T1.SP_TIME_5) AS "5時間未満",
    SUM(T1.SP_TIME_6) AS "5時間以上6時間未満",
    SUM(T1.SP_TIME_7) AS "6時間以上7時間未満",
    SUM(T1.SP_TIME_8) AS "7時間以上8時間未満",
    SUM(T1.SP_TIME_9) AS "8時間以上9時間未満",
    SUM(T1.SP_TIME_9OVER) AS "9時間以上"
  FROM
    SLEEP_TIME_DTL AS T1
  INNER JOIN
    PREFECTURE AS T2
  ON
    T1.PF_CODE = T2.PF_CODE
  WHERE
    T2.PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島')
  GROUP BY
    T1.AGE_CODE
)
SELECT
  T1.年齢コード,
  T2.AGE_NAME AS 年齢階層名	,
  T1."5時間未満",
  T1."5時間以上6時間未満",
  T1."6時間以上7時間未満",
  T1."7時間以上8時間未満",
  T1."8時間以上9時間未満",
  T1."9時間以上"
FROM
  SUMMARY AS T1
INNER JOIN
  AGE_GRP AS T2
ON
  T1.年齢コード = T2.AGE_CODE
ORDER BY
  T1.年齢コード
;