DE:
Take note, that the time span dates from January 2009, right after Bush and the boys had driven the U.S. economy off a cliff. The budget deficit was over a trillion at that time also.
Consider this 2007-2010 piece:
http://money.cnn.com/2012/06/11/news/economy/fed-family-net-worth/index.htm
The chart in the link below may support my numbers:
http://www.advisorperspectives.com/dshort/commentaries/Household-Net-Worth.php
Don't know where my original source is.