Various Republican groups have spent nearly $2 million at President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE's various properties so far this year, according to Federal Election Commission (FEC) filings.

A CNN analysis of the first six months of 2018 found that GOP-aligned groups and candidates have spent around $1.7 million at Trump-owned properties as part of official campaign events.

Nearly $1 million of that total came directly from the Republican National Committee (RNC), while Trump's own reelection campaign and two Trump-aligned super PACs are also among the top spenders.

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Other Republican groups, including both the House and Senate campaign arms, have spent tens of thousands of dollars at Trump properties as well, according to the filings.

More than $1 million was earned by the Trump Organization at just two properties, the Trump National Doral in Miami, Fla., and Trump's hotel in downtown Washington, D.C.

Trump's private Mar-a-Lago club in Palm Beach, known as the "Winter White House," came in third, earning about $330,000 in various expenses from GOP-aligned groups.

The $1.7 million figure was included in an analysis released by McClatchy on Monday that found Republicans have spent a total of more than $5 million at Trump Organization properties since January 1, 2017.

Democrats have not spent any money at Trump Organization properties in that time, the news organization noted.

The Trump administration has faced criticism since the president took office over whether his businesses could present a conflict of interest or an improper use of the government to enrich Trump's private business empire.

The president did not divest from his businesses upon taking office last year, instead placing the Trump Organization into a trust controlled by his sons, Donald Jr. and Eric Trump Eric Frederick TrumpJudge orders Eric Trump to comply with New York AG's subpoena before Election Day Eric Trump uses misleading clip to blast Biden for using teleprompter Melania Trump: Ginsburg's 'spirit will live on in all she has inspired' MORE.