Affordable Health Act Premiums will increase an average 7-point-5-percent for the Benchmark Silver insurance plan next year.That’s according to a new report on the 37-states using the federal Obamacare Exchange. The Department of Health and Human Services released the finding late Monday. The Benchmark Silver plan is the second lowest cost plan among Health Insurance Marketplace options. The steepest increase is in Oklahoma where users will pay about 36-percent more for the plan in 2016. While folks in Indiana will actually pay 13-percent less for the Silver Plan compared to this year.