The Senate Ethics Committee reviewed 93 instances of alleged wrongdoing in 2010 but ultimately dismissed all but four cases without any public action, according to an annual report released Monday.

According to its annual statistical report, the Ethics Committee received 84 complaints in 2010, including both public requests and reviews initiated within the panel, and carried over nine cases from 2009. At least four investigations remained open at the end of 2010, based on the statistics included in the committee’s report.

The committee dismissed 81 complaints outright. It ruled that it lacked jurisdiction in 56 instances, saying that “even if the allegations in the complaint are true, no violation of Senate rules would exist.” The other 25 cases were dropped because of lack of “any material violation … beyond mere allegation.”

The Ethics Committee’s staff conducted preliminary inquiries in the 12 complaints that weren’t dismissed outright. Half of those were first received by the panel in 2009, the report states.

The committee dismissed eight of those preliminary inquiries for “lack of substantial merit.” None of the preliminary investigations resulted in an adjudicatory review in 2010, nor did the committee dole out any private or public letters of admonition or otherwise punish any Members or aides last year.