SELECT 
    s.AGE_CODE AS 年齢コード
    , a.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 AS s
LEFT JOIN
    age_grp AS a
ON
    s.age_code = a.age_code
LEFT JOIN
    prefecture AS p
ON
    s.pf_code = p.pf_code
WHERE
    p.pf_name IN ('北海道','青森県','岩手県','宮城県','福島県')
    AND a.age_name is not null
GROUP BY
    s.age_code
    , a.age_name
ORDER BY
    s.age_code