The share of the mortgage market garnered by Fannie Mae, Freddie Mac, and the Federal Home Loan Banks continued its freefall during the first three months of 2005. According to data gathered by Inside The GSEs, the enterprises’ share of new mortgage business sank to a record low during the first quarter – notching a 27.0 percent share of originations. The GSEs combined for $174 billion in 1Q05, well less than a third of the…