The actual default rates for the loans originated by Prosper in 2007 were in fact higher than projected. Prosper's aggregate return (across all credit grades and as measured by LendStats.com, based upon actual Prosper marketplace data) for the 2007 vintage was (6.44)%, for the 2008 vintage (2.44)%, and for the 2009 vintage 8.10%. Independent projections for the 2010 vintage are of an aggregate return of 9.87. During the period from 2006 through October 2008 (referred to as 'Prosper 1.0'), Prosper issued 28,936 loans, all of which have since matured. 18,480 of the loans fully paid off and 10,456 loans defaulted, a default rate of 36.1%. $46,671,123 of the $178,560,222 loaned out during this period was written off by investors, a loss rate of 26.1%.