Year Dollars 1992-01-01 71654709 1997-01-01 86804470 2002-01-01 156736622 2003-01-01 157066147 2004-01-01 283829580 2005-01-01 269040559 2006-01-01 365310023 2007-01-01 466337030 2008-01-01 468595964 2009-01-01 394883885 2010-01-01 433978594 2011-01-01 381459299 2012-01-01 346377419 2013-01-01 278629013 2014-01-01 345815519 2015-01-01 259448894 2016-01-01 294236123