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
        LEFT JOIN PREFECTURE AS PF ON STD.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
    STD.AGE_CODE
ORDER BY
    STD.AGE_CODE ASC ;