Year	Dollars
1992-01-01	327810300
1997-01-01	447623957
2002-01-01	303520803
2003-01-01	251093273
2004-01-01	311468863
2005-01-01	362079156
2006-01-01	434688308
2007-01-01	473836606
2008-01-01	699217531
2009-01-01	553248241
2010-01-01	666855523
2011-01-01	883351889
2012-01-01	889040137
2013-01-01	842989989
2014-01-01	654436863
2015-01-01	563646396
2016-01-01	545547487