Fannie Mae and Freddie Mac saw a slight decline in their single-family mortgage business during the first three months of 2016 – in fact, it was the slowest quarter in nearly two years – according to a new analysis and ranking by Inside Mortgage Finance. The two government-sponsored enterprises issued $172.97 billion of single-family mortgage-backed securities during the first quarter of this year, a 3.4 percent decline from the fourth quarter of 2015. It was the slowest three-month volume since the second quarter of 2014, and the fourth-lowest output since the GSEs were put in conservatorship back in 2008. The slowdown stemmed...[Includes three data tables]