Considering that merits can only be giving to posts which are quality it would be a challenge to do what you are proposing, but again, it can be given out as the holder deems fit
If you go through this reporter statistics thread, quite a number of members got merited for posting their current stats;
https://bitcointalk.org/index.php?topic=5058163.0https://bitcointalk.org/index.php?topic=5058163.20https://bitcointalk.org/index.php?topic=5058163.60Merit awarding is unregulated and hence it would be impossible to stipulate that merits would be awarded for fulfilling a certain obligation.
If your current numbers are good, and you are doing your bit to clean up the forum, you can reply on those threads, but there is no guarantee that it would get merited.