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

GROUP BY
    S.AGE_CODE,
    A.AGE_NAME
ORDER BY
    年齢コード;