Click on graph for large image.This graph shows the Freddie Mac single family delinquency rate since January 2005.
Here is the Freddie Mac portfolio data.
From Reuters: Freddie Mac Sept portfolio up, delinquencies jump (ht Ron at WallStreetPit)
Delinquencies ... jumped to 3.33 percent of its book of business in September from 3.13 percent in August and 1.22 percent in September 2008.
The multifamily delinquency rate accelerated slightly in September to 0.11 percent from 0.10 percent in August. A year earlier it was 0.01 percent..