Yes, public dollars refers to tax dollars. Do you think anyone was unclear on that? What could public dollars refer to other than tax dollars. You're digging deep.
Since you headed down the "you didn't make that" rabbit hole I wanted to ensure you didn't really think there was some source of government funding besides coercive tax policy that takes individual and corporate wealth, by force if necessary.
I kind of thought you may actually harbor some ridiculous idea that the government is giving people stuff for free.....
And Ace, your chart doesn't represent the US, those are the numbers in the world..... (I thought Islam was a tad over represented)
http://www.educationworld.com/sites/default/files/U.S.-religions_instory.jpg
Try this one for the US. If it's tough to read, Islam tips the scales with an amazing .06 pct.....