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