according to the healthcare industry there is only 1/4 or so of the people signed up were previously uninsured the bulk of the people signing up previously had insurance.
20% have not paid their first month premium
Obamacare enrollment at 6 million, hits goal: White House
At any rate we should have the final numbers by mid April.
New York, Kentucky: FINALLY, clarity on the "Previously Uninsured" numbers! | ACASignups.net
This article is more specific: The number for NY QHPs is 59% of QHP enrollees (vs. 90% of Medicaid), and in KY is, surprisingly higher, at 75% for each!