(CNN) – Mitt Romney won Saturday's Nevada caucuses with his highest portion of a state's vote yet, just over 50%, according to certified results released Monday by the Nevada Republican Party.
Romney, the former Massachusetts governor who also won the state's GOP caucuses in 2008, received more than twice the votes of his closest opponent.
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Former House Speaker Newt Gingrich finished in second place with just over 21% of the vote. Rep. Ron Paul of Texas placed third at 18.7%, and former Sen. Rick Santorum of Pennsylvania earned 9.9%.
Romney was at 48% as of late Sunday, when results were available for 71% of precincts. In the 2008 race there, he landed 51.1% of the vote and Paul registered at 13.7%.
Nearly 33,000 Republican voters participated in this year's caucuses, 11,000 less than in 2008.