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
    AGE_GRP a 
    INNER JOIN SLEEP_TIME_DTL b
        USING(AGE_CODE)
    INNER JOIN PREFECTURE c
        ON b.PF_CODE = c.PF_CODE AND c.PF_CODE IN ('01000','02000','03000','04000','07000')

GROUP BY 1,2 
ORDER BY 1 ASC