Never. Never voluntarily.
Even if it shows he is a citizen, if the facts as asserted are accurate, he is not, and can never be, a Natural Born Citizen.
Regardless of the physical location of his birth, he claims that both of his parents were not American citizens at the time of his birth.
Problem is, even though we "know" this, without the release of his true and accurate birth certificate, we can't "prove" it in a court of law.
$981,735,911.52