LOL! That's an uncanny coincidence.....I heard a joke years ago that is near and dear to me and I use it often with customers and while public speaking..
"78.5% of all percentages are made up"
The study mentions only drawing on figures from 44 states.
Toss in DC and the US territories and you have a total of 57.
78.5% of 57 is roughly - 44 !