Navy Hedge Fund posts false numbers. I took me 10 seconds to download the S.E.C. filing with the 2006 Earnings report and see that, as of December 31, 2006: -Interest-only ARM: 9% -Subprime loans: 2.2% And you have posted 18% and 23%, respectively. I reckon that there has never been Interest-only fixed rate mortgages.
You cite as source the "Fannie Mae financial reports", but I'd like to know who sent you the image. This is an actual screenshot of the report: Besides, the company assures that: