Fannie Mae and Freddie Mac are getting more business in loans with lower credit scores and higher loan-to-value ratios, a new Inside Mortgage Trends analysis reveals. Some 22.08 percent of purchase mortgages securitized by the two government-sponsored enterprises in the first quarter of this year had credit scores ranging from 620 to 699. That was up from 21.46 percent in the fourth quarter of last year, and it represented the highest ... [Includes two data charts]