I don't have any readily available but I would go do a Google search for 'mechanical royalties' and the like. Maybe even do a search 'music publishing 101'. My experience was from first hand (paying them) so I never really went to a resource.

I should note that I corrected my royalty amount in my post...After thinking about it, I think it's like two cents. It's been 15 years and I'm gettin' old sooooo.......