Freddie Mac began to get some traction in its interest-only mortgage product line during the second quarter of 2005, according to a new Inside Mortgage Finance analysis of data on mortgage securities issued by the government-sponsored enterprises. Freddie Mac’s total single-family mortgage pool volume increased 32 percent in the second quarter of 2005, with $94.80 billion in production. That was over twice the rate of growth in Fannie Mae’s pool issuance, which rose 16 percent… [Data tables included]