Nearly $1 billion was spent on political advertising in 2019, according to new figures from ad-tracking firm Advertising Analytics.

Of the $998.4 million spent on political advertising, $351 million was spent on the presidential primaries, the firm said on Friday.

Former New York City Mayor Michael Bloomberg Michael BloombergBloomberg rolls out M ad buy to boost Biden in Florida Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Bloomberg pays fines for 32,000 felons in Florida so they can vote MORE was the biggest spender, buying about $124 million in ads since joining the Democratic presidential race last month.

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Advertising Analytics CEO Kyle Roberts said in an interview with The Hill that it's unusual to have these kinds of spending levels at this point heading into a presidential election year. He added that even without Bloomberg the dollar amounts are "still higher" than the 2016 primary.

"You have more low dollar donors consistently giving over a period of time, which results in larger overall dollars raised," he said.

Businessman Tom Steyer was second behind Bloomberg, purchasing nearly $84 million in ads.

Trump Make America Great Again Committee had spent more than $23 million, and the Trump campaign spent nearly $14 million.

Other top advertising spenders included the Buttigieg, Sanders and Warren campaigns, which spent nearly $20 million, nearly $18 million and nearly $12 million respectively.

Politico reported this week that businessman Tom Steyer Tom SteyerTV ads favored Biden 2-1 in past month Inslee calls Biden climate plan 'perfect for the moment' OVERNIGHT ENERGY: Trump administration finalizes plan to open up Alaska wildlife refuge to drilling | California finalizes fuel efficiency deal with five automakers, undercutting Trump | Democrats use vulnerable GOP senators to get rare win on environment MORE was second behind Bloomberg, purchasing $83 million in ads.

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For 2019, the top overall market was Washington, D.C., where $485 million was spent on political advertising.

Advertising Analytics predicted that $6 billion will be spent in political ads during the 2020 cycle.

Updated: 9:12 p.m.