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