Year	Dollars
1992-01-01	46099759
1997-01-01	90727774
2002-01-01	87329181
2003-01-01	113715117
2004-01-01	174173512
2005-01-01	206164665
2006-01-01	287905141
2007-01-01	381555052
2008-01-01	517474199
2009-01-01	283634997
2010-01-01	308630870
2011-01-01	467723278
2012-01-01	648049315
2013-01-01	556366256
2014-01-01	372301578
2015-01-01	321366046
2016-01-01	301493629