The first two graphics show the developement of Clans and players per land. Each day, new Clans and players come along and the inactives persist, so the amount rises. (Monthly view)
The next diagrams show the interface's operating speed. (Daily view)
A main part of the updating time is needed for the interface itself, less for the converting on the server.
The result of it is the amount of updated Clan links.
The player updating on the right is some more extensive, so that EACH player only recieves a full update every other day. (Weekly view)
Nevertheless, this is absolutely enough to generate dependable statistics and rankings. :)