Do you know? It clearly isn't zero. And like I said, it's not the main point (it was literally a side point), and it is very hard to actually find an exact numb

Do you know? It clearly isn't zero. And like I said, it's not the main point (it was literally a side point), and it is very hard to actually find an exact number, which should tell you something. If you find an exact number that's well backed, be sure to let us know.