Maybe I don't understand your mambo italiano english, but isn't this already provided in his reports?
You can clearly see number of posts for most members in local boards, and there is information about merit statistics as well.
I can’t see the total numbers of merits of local boards, over the total merits in the forum: “Which percentage of merits has been distributed on local boards last month?”
Also:
“Which percentage of posts has been distributed on local boards last month?”