The Polls are listed at the top of the page Laurin. I haven't yet participated in one of them, because the numbers don't mean anything to me. I really don't know what defines "poor" or "great" earnings, much less how to interpolate a rating between 1 and 10.
If you ask me how much my earnings grew at a site month over month, or how far above/below average earnings they were, then I could provide a number confidently.
I vote by giving my best earning site a 10 and my worst earner(s) a 1, then spreading the rest of the sites appropriately in between.