GROUP_CONCAT ORDER BY

I've [a table][1] like: +-----------+-------+------------+ | client_id | views | percentage | +-----------+-------+------------+ | 1 | 6 | 20 | | 1 | 4 | 55 | | 1 | 9 | 56 | | 1 | 2 | 67 | | 1 | 7 | 80 | | 1 | 5 | 66 | | 1 | 3 | 33 | | 1 | 8 | 34 | | 1 | 1 | 52 | I tried `group_concat`: SELECT li.client_id, group_concat(li.views) AS views, group_concat(li.percentage) FROM li GROUP BY client_id; +-----------+-------------------+-----------------------------+ | client_id | views | group_concat(li.percentage) | +-----------+-------------------+-----------------------------+ | 1 | 6,4,9,2,7,5,3,8,1 | 20,55,56,67,80,66,33,34,52 | +-----------+-------------------+-----------------------------+ But I want to get the views in order, like: +-----------+-------------------+----------------------------+ | client_id | views | percentage | +-----------+-------------------+----------------------------+ | 1 | 1,2,3,4,5,6,7,8,9 | 52,67,33,55,66,20,80,34,56 | +-----------+-------------------+----------------------------+ [1]: http://googledrive.com/host/0B53jM4a9X2fqfkhfeV83Tm05VnU4cV9ZSWZlMUNTQzRZUUJQTFdQZUptOEJkdXkyVXFIYmM