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
LEFT JOIN AGE_GRP USING(AGE_CODE)
LEFT 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