SELECT
    age_code AS "年齢コード",
    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
JOIN age_grp using(age_code)
JOIN prefecture using(pf_code)
WHERE pf_name in ('北海道', '青森県', '岩手県', '宮城県', '福島県')
GROUP BY age_code, age_name
ORDER BY age_code