Year Dollars 1992-01-01 252868733 1997-01-01 777009408 2002-01-01 417922477 2003-01-01 383899841 2004-01-01 482145698 2005-01-01 458250782 2006-01-01 504839025 2007-01-01 544702745 2008-01-01 493630517 2009-01-01 465233983 2010-01-01 571134934 2011-01-01 629324862 2012-01-01 610196357 2013-01-01 741876001 2014-01-01 960090339 2015-01-01 1139472222 2016-01-01 1173468752