As the forum statistics, excluding you @Simon as the Admin of the forum, i am the user most involved in the forum. I also have the higher number of posts. I love to do it and to make the forum more active and make other people involve in the forum.
It has been more than a month since you published that topic. I don´t know if you intend to check the first day of each month the statistics of reputation and number of posts and reward accordingly. Or if you are going to consider only the top 10, or the top 3 or...