The information you need is in the BLS table and the rebate table for the nrst. The information isn't the problem. It's all there.
The reason you don't answer is because your reasoning has betrayed your true position IMO.
If you were opposed to people getting negative tax rates, you'd favor the nrst because it has fewer. But you don't favor the nrst.
So then you were not truthful when you said you thought the rebate was an entitlement and that's the reason you object to the nrst.
Can't have it both ways. Which is it?
Oh jeez Louise! Now your claiming that the FairTax catches more poor people in its net than the income tax? Unbelievable!