So writes John Lott, based on HHS's own numbers.
And there's also this:
Yet, in 29 of the 43 states that data are available for in the American Medical Association report mentioned earlier, the dominant company in the "full" insurance market is a non-profit company. In state after state, Blue Cross and Blue Shield hold the largest market share. On average, the largest non-profit hold over half of the “full” market share in those 29 states. Why add another non-profit operation to the mix?