article-2578645-1C1204B000000578-648_634x464As of March 1 about 4.2 million Americans had signed up for medical insurance coverage through the Affordable Care Act, according to numbers released Tuesday by the Obama administration. But it remains unclear how many of those enrollees have put their money where their mouse is. Combined figures published by Obamacare marketplaces in California, Connecticut, Maryland, Nevada, Rhode Island, Vermont and Washington indicate that just 79 per cent of signups in those states have come with checks attached.  If those numbers were to hold up nationally, it would mean that about 1.1 million Obamacare enrollees have selected insurance plans without paying for them – bringing the actual total of Obamacare-insured Americans down to 3.3 million. MORE