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 prefecture AS pf ON std.pf_code = pf.pf_code
    INNER JOIN age_grp AS ag ON std.age_code = ag.age_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