I see you are persistently incurious and unable to obtain any information via a simple search.
What you see is the expectation that if you make a claim, you're able to support it.
So, let's see what you've got here:
Here you go: only 1/3 of ObamaCare enrollees were previously uninsured. 2/3 already had insurance (perhaps even insurance they liked) before they were forced into ObamaCare.
Survey Estimates Net Gain of 9.3 Million American Adults with Health Insurance RAND
“Using a survey fielded by the RAND American Life Panel, we estimate a net gain of 9.3 million in the number of American adults with health insurance coverage from September 2013 to mid-March 2014.
The survey, drawn from a small but nationally representative sample…”
So let's deconstruct this paragraph by paragraph:
(A) How small is “small”? One hundred people, a thousand, ten?
(B) The survey yields an *estimate*
(C) The period surveyed was September 2013 to mid-March 2014
You do realize that it’s July 2015 now, right?