Trump mocks CNN for lowest ratings of year: 'Congratulations!'

President TrumpDonald John TrumpTrump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump tweets ICE will begin removing 'millions' of undocumented migrants MORE mocked CNN on Monday morning, tweeting out a report that the cable news network registered its lowest viewership of the year earlier this month.

"Congratulations!" wrote Trump to his nearly 60 million followers.

He shared a Daily Caller story on CNN's ratings struggles that shows the AT&T-owned network finished 15th overall in basic cable — behind channels including the Discovery Channel, Food Network, TLC and A&E — during the week of April 8–12.

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CNN averaged 690,000 people and 180,000 in the 25- to 54-year-old demographic that advertisers covet most during the week, according to the Daily Caller report.

It aired three town hall events during the week featuring 2020 Democratic presidential candidates, including one with Sen. Kirsten GillibrandKirsten Elizabeth GillibrandOvernight Health Care: Democrats attack after Trump revives talk of ObamaCare replacement | Cruz, Ocasio-Cortez efforts on birth control face major obstacles | CVS investing M to fight teen e-cig use Overnight Health Care: Democrats attack after Trump revives talk of ObamaCare replacement | Cruz, Ocasio-Cortez efforts on birth control face major obstacles | CVS investing M to fight teen e-cig use Trump's 2020 campaign strategy is to be above the law MORE (D-N.Y.) on April 9 that attracted just 491,000 viewers

Trump has appeared in interviews on Fox News and Fox Business more than 40 times since taking office, but has not appeared on CNN since August 2016 when he was a candidate.

CNN declined to comment.

Updated at 11:25 a.m.