SELECT
    AG.AGE_NAME AS "年齢階層",
    SUM(CASE WHEN SD.TIME_CODE=120 THEN 1 ELSE 0 END ) AS "5時間未満",
    SUM(CASE WHEN SD.TIME_CODE=130 THEN 1 ELSE 0 END ) AS "5時間以上6時間未満",
    SUM(CASE WHEN SD.TIME_CODE=140 THEN 1 ELSE 0 END ) AS "6時間以上7時間未満",
    SUM(CASE WHEN SD.TIME_CODE=150 THEN 1 ELSE 0 END ) AS "7時間以上8時間未満",
    SUM(CASE WHEN SD.TIME_CODE=160 THEN 1 ELSE 0 END ) AS "8時間以上9時間未満",
    SUM(CASE WHEN SD.TIME_CODE=170 THEN 1 ELSE 0 END ) AS "9時間以上",
    SUM(CASE WHEN SD.TIME_CODE=180 THEN 1 ELSE 0 END ) AS "不詳"
FROM
    SLEEP_TIME_DTL SD
    INNER JOIN
    AGE_GRP AG
    ON
        SD.AGE_CODE=AG.AGE_CODE
    INNER JOIN
    SLEEP_TIME ST
    ON
        SD.TIME_CODE=ST.TIME_CODE
GROUP BY
    AG.AGE_NAME
ORDER BY
    SD.AGE_CODE