This might be the answer you are looking for
I have been doing some research lately and i have found a very interesting thing let me share with u all. Of course of you know the google.com/webmasters where there are tools on how to increase your pagerank. On the webmaster tools there is a section called Crawl stats where u can see the level of your pagerank and the process where pagerank is assigned
Let me demonstrate this with a shot i have taken.
I hope my information would be very helpful for a lot of u out there...
here is the link http://www.myeglence.com/pagerank.jpg