ACA sign-ups down 21 percent from a year ago Tim Stumm 6 years ago With the deadline for open enrollment for the Affordable Care Act fast approaching, the number of Illinois residents who signed up for coverage is down 21 percent from about the same time a year ago.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.