Somebody I sent a PM regarding this thread congratulating them on such a thought provoking issue replied to me "I don't like it when threads get so heated" and I told him that a very famous person was quoted to have said: "I have never learned from a man who agreed with me...."
Apparently the problem is there is no reliable and standard data collected to base those stats on. I think that is why there is an ongoing food fight over old studies based on some pretty low sample surveys with inconsistent definitions of what constitutes a DGU.