President Trump mocked CNN in response to a report that said the network had its lowest prime time weekly ratings of the year in two categories earlier this month.

“Congratulations,” Trump tweeted, sharing a week-old report by the Daily Caller.

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The story said CNN had its lowest prime time weekly ratings overall and in the key 25-54 age demographic from April 8-12, citing Nielsen Media Research. During that week, CNN averaged an audience of 690,000 people and 180,000 in the key age demographic.

MSNBC’s prime time lineup averaged 1,600,000 viewers with 249,000 in the key age demographic. Both CNN and MSNBC trailed Fox News, which averaged 2,438,000 viewers, with 394,000 in the 25-54 age range.

The top five networks for viewership during that week were Fox News, MSNBC, Home and Garden TV, USA Network, and TBS Network. CNN, which hosted town halls with three presidential candidates that week, came in 15th.

Trump has often criticized CNN for its coverage of his administration while applauding Fox News.

[Related: Trump’s sons celebrate Mueller report, blast CNN for ‘lies and discord’]