SELECT
    GRP.AGE_CODE "年齢コード",
    MAX(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
    SLEEP_TIME_DTL AS DTL
INNER JOIN
    AGE_GRP AS GRP
ON DTL.AGE_CODE = GRP.AGE_CODE
INNER JOIN
    PREFECTURE AS PRE
ON DTL.PF_CODE = PRE.PF_CODE
WHERE
    PRE.PF_NAME in ("北海道", "青森県", "岩手県", "宮城県", "福島県")
GROUP BY
    GRP.AGE_CODE