By Paul Kiel and Dan Nguyen ProPublica On Jan. 15, 2010, the Treasury Department released data showing how the largest mortgage servicers participating in the administration's $75 billion foreclosure prevention program have been performing. The data shows activity through Dec. 31, 2009. To give an indication of each servicer's performance as a percentage of its loans eligible for modification, the Treasury listed the number of eligible loans that are more than 60 days delinquent (that's the "Est.