Yes, not many people measured NAT boxes at scale. "UDP NAT and Firewall Puncturing in the Wild" [1] this scientific article from our lab might be helpful.
We also have UDP puncturing also working in a 3G or wifi setting with Android-to-Android mode, see "Kotlin-IPv8" link in here: https://github.com/Tribler/trustchain-superapp
Unfortunately it doesn't include statistics on how successful the strategies are in practice.