SELECT
    AG.AGE_CODE AS 年齢コード
    , AG.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
    AGE_GRP AS AG
    INNER JOIN SLEEP_TIME_DTL AS ST
        ON ST.AGE_CODE = AG.AGE_CODE 
    INNER JOIN PREFECTURE AS PF
        ON ST.PF_CODE = PF.PF_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;