Year Dollars 1992-01-01 191792 2002-01-01 327637 2003-01-01 601755 2004-01-01 154256 2005-01-01 194878 2006-01-01 500473 2007-01-01 925661 2008-01-01 278548 2009-01-01 450998 2010-01-01 156472 2011-01-01 243026