Year	Dollars
1992-01-01	177177360
1997-01-01	388645967
2002-01-01	464658888
2003-01-01	474223727
2004-01-01	540033358
2005-01-01	593280532
2006-01-01	765234169
2007-01-01	708816399
2008-01-01	782597937
2009-01-01	768706099
2010-01-01	1430505482
2011-01-01	1257173225
2012-01-01	1014046526
2013-01-01	1070563434
2014-01-01	1230724796
2015-01-01	1141881955
2016-01-01	784168669