SELECT 
    AGE_NAME AS "年齢階層",
    SUM(CASE WHEN TIME_CODE=120 THEN TARGET_POP ELSE 0 END) AS "5時間未満",
    SUM(CASE WHEN TIME_CODE=130 THEN TARGET_POP ELSE 0 END) AS "5時間以上6時間未満",
    SUM(CASE WHEN TIME_CODE=140 THEN TARGET_POP ELSE 0 END) AS "6時間以上7時間未満",
    SUM(CASE WHEN TIME_CODE=150 THEN TARGET_POP ELSE 0 END) AS "7時間以上8時間未満",
    SUM(CASE WHEN TIME_CODE=160 THEN TARGET_POP ELSE 0 END) AS "8時間以上9時間未満",
    SUM(CASE WHEN TIME_CODE=170 THEN TARGET_POP ELSE 0 END) AS "9時間以上",
    SUM(CASE WHEN TIME_CODE=180 THEN TARGET_POP ELSE 0 END) AS "不詳"
FROM 
    AGE_GRP
    NATURAL INNER JOIN SLEEP_TIME
    NATURAL INNER JOIN SLEEP_TIME_DTL
GROUP BY
    AGE_CODE
ORDER BY
    AGE_CODE