The volume of home loans with private mortgage insurance that were securitized by Fannie Mae and Freddie Mac dropped 17.1 percent from the third to the fourth quarter of last year, according to a new Inside Mortgage Finance analysis and ranking. That’s not so bad, given that total mortgage-backed securities production by the two government-sponsored enterprises was down 19.9 percent during the last three months of 2015. The GSEs securitized ... [Includes two data charts]