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