That's extremely interesting Roberto!
Roberto, thanks also on behalf of Chicken Little here. Chicken could not have said as well as you did. And after all he is just a bird brain. But he was thinking something like that as applied to geological processes.

I guess if you multiply the number of fields in each size band against the average reserves size of that band (Kings, Queens, Nobles, etc.) it gives you the total volume in each of the size bands and that number converges toward some central value.