I changed the rules of this statistics a little bit (as i am the creator of this statistic i am free to do so.

And no, i didn't investigate if i profit of this, it is just that i think it is better this way.):
When i calculate the ranking, i don't take the number of bills you mention but the
actual number of bills that you have at the moment, when i calculate the statistics.
That leads to the following phenomenon: If you don't update your number of dots regularly, you get worse and worse. Nice, huh? Do you like it?