Year	Dollars
1992-01-01	179652585
1997-01-01	319678237
2002-01-01	487289914
2003-01-01	432349514
2004-01-01	402348837
2005-01-01	451120290
2006-01-01	707532014
2007-01-01	700955243
2008-01-01	559971541
2009-01-01	449037025
2010-01-01	502065211
2011-01-01	590620206
2012-01-01	688862013
2013-01-01	685121994
2014-01-01	593073030
2015-01-01	597912445
2016-01-01	542442109