SELECT
    AGE_CODE AS '年齢コード',
    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
        USING (AGE_CODE)
    INNER JOIN PREFECTURE
        USING (PF_CODE)
WHERE
    PF_NAME IN ('北海道','青森県', '岩手県', '宮城県', '福島県')
GROUP BY
    AGE_CODE, AGE_NAME
ORDER BY
    年齢コード
;