Premiums for an average health insurance plan under the Affordable Care Act dropped by 2% for the 2021 coverage year, according to a report released by the Trump administration, which is seeking to invalidate the 2010 healthcare law.

About 8.7 million people enrolled in healthcare plans for 2018 using the federal Obamacare marketplace, according to updated government figures.

The pace slowed in the third week of enrollment for 2018 Obamacare individual insurance as nearly 800,000 people signed up through the federal government website HealthCare.gov, down about 75,000 people from the previous week, a U.S. government agency reported.

The average premium for benchmark 2017 Obamacare insurance plans sold on Healthcare.gov rose 25 percent compared with 2016, the U.S. government said, the biggest increase since the insurance first went on sale in 2013 for the following year.