Year Dollars 1992-01-01 101173707 1997-01-01 141632485 2002-01-01 122456685 2003-01-01 63094400 2004-01-01 126647966 2005-01-01 159524106 2006-01-01 226390043 2007-01-01 252755863 2008-01-01 303535672 2009-01-01 190478181 2010-01-01 215089846 2011-01-01 245034531 2012-01-01 280127592 2013-01-01 190573539 2014-01-01 194248573 2015-01-01 104016115 2016-01-01 54365461