Year	Dollars
1992-01-01	19844535
1997-01-01	86250538
2002-01-01	49002066
2003-01-01	55108812
2004-01-01	72663453
2005-01-01	72161883
2006-01-01	85928300
2007-01-01	136131177
2008-01-01	175996104
2009-01-01	123030934
2010-01-01	165345703
2011-01-01	182207312
2012-01-01	164063032
2013-01-01	197079112
2014-01-01	223805219
2015-01-01	240466280
2016-01-01	261171236