Updated 2:11 p.m. ET

Herman Cain's campaign says he has raised $2.25 million in the past 10 days as the GOP presidential candidate has battled accusations of sexual harassment.

Cain's campaign said the businessman has taken in $9 million since Oct. 1. Politico first broke the story on Oct. 30 that two women accused Cain of inappropriate behavior when he led the National Restaurant Association in the 1990s.

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After spending days addressing accusations of sexual harassment, Herman Cain today hit the campaign trail in Michigan as he tries to steady his bid for the GOP nomination.

The former Godfather's Pizza CEO, who sits atop public opinion polls, has scheduled events today in Ypsilanti, Kalamazoo, Grand Rapids and Traverse City where he'll meet with voters.

Cain was posed a question at Wednesday night's debate dealing with the allegations made by four women that date back to his tenure at the National Restaurant Association in the 1990s. Boos could be heard when the question was asked. He responded with the same denials he has made since the story broke Oct. 30, and the audience was supportive.

"Over the last nine days, the voters have voted with their dollars, and they're saying they don't care about the character assassination," Cain said at the debate at Oakland University. "They care about the leadership and getting the economy growing and all of the other problems we face."