Fannie Mae and Freddie Mac this week reported a combined $3.53 billion of mortgage repurchases and other buyback resolutions during the third quarter of 2013, the lowest quarterly amount in three years, according to a new analysis by Inside Mortgage Trends. Buyback resolutions declined by 28.2 percent from the second quarter, even as the government-sponsored enterprises wrapped up large-scale settlements with a handful of their largest sellers. Fannie and Freddie so far this year ... [Includes one data chart]