SELECT
    DTL.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
    SLEEP_TIME_DTL DTL
    INNER JOIN PREFECTURE P
    ON DTL.PF_CODE = P.PF_CODE
    AND P.PF_NAME IN ('北海道','青森県','岩手県','宮城県','福島県')
    LEFT JOIN AGE_GRP A
    ON DTL.AGE_CODE = A.AGE_CODE
GROUP BY 
    DTL.AGE_CODE
    ,AGE_NAME
ORDER BY 
    1 ASC