NEW YORK ( TheStreet) -- Karl Rove has all sorts of secret cash-raising techniques meant to beat Democrats in 2012.

Conservative nonprofit group Crossroads GPS, launched by Rove, recently released 2010 and 2011 tax returns that showed it had raised $77.2 million, according to ProPublica documents.

Unlike Rove-run American Crossroads, Crossroads GPS doesn't qualify as a super PAC, which is why the nonprofit group's financial disclosures appeared in tax returns instead of monthly reports to the Federal Election Commission.

Between the super PAC and nonprofit group, Rove's special interests have raised about $104.1 million since the Supreme Court ruled in favor of Citizens United, a decision that allowed unions and corporations to spend unlimited amounts of money on political campaigns.

Crossroads GPS spent $42.3 million, or 87.4%, of its 2010 donation total, and $22.4, or 78.9%, of its 2011 total.

The tax returns didn't report the names of any donors -- there isn't a requirement to do so -- but did reveal the anonymous sums given to the nonprofit. In 2010, the largest single-person contributions included: $10.1 million, $5 million, $4.5 million, $3 million, $2.8 million, two at $2 million, $1.5 million, $1.3 million, and six at $1 million. In 201, the largest single-person donations included: $10 million, $4.3 million, $2.8 million, two at $2.5 million and three at $1 million.

"Crossroads GPS is dedicated to the belief that most Americans don't support the big-government agenda being forced upon them by Washington," Crossroads GPS's Web site says.

The nonprofit's mission statement fairly describes the sentiment of many Americans, but most Americans probably don't know that a group like Crossroads GPS exists.

-- Written by Joe Deaux in New York.

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