SELECT 
    AGE_GRP.AGE_CODE AS "年齢コード",
    AGE_GRP.AGE_NAME AS "年齢階層名",
    SUM(SLEEP_TIME_DTL.SP_TIME_5) AS "5時間未満",
    SUM(SLEEP_TIME_DTL.SP_TIME_6) AS "5時間以上6時間未満",
    SUM(SLEEP_TIME_DTL.SP_TIME_7) AS "6時間以上7時間未満",
    SUM(SLEEP_TIME_DTL.SP_TIME_8) AS "7時間以上8時間未満",
    SUM(SLEEP_TIME_DTL.SP_TIME_9) AS "8時間以上9時間未満",
    SUM(SLEEP_TIME_DTL.SP_TIME_9OVER) AS "9時間以上"
FROM 
    SLEEP_TIME_DTL
JOIN 
    AGE_GRP ON SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
JOIN 
    PREFECTURE ON SLEEP_TIME_DTL.PF_CODE = PREFECTURE.PF_CODE
WHERE 
    PREFECTURE.PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
GROUP BY 
    AGE_GRP.AGE_CODE, AGE_GRP.AGE_NAME
ORDER BY 
    AGE_GRP.AGE_CODE ASC