Year	Dollars
1992-01-01	21368300
1997-01-01	56676478
2002-01-01	55400987
2003-01-01	82660381
2004-01-01	83973592
2005-01-01	86876715
2006-01-01	72060679
2007-01-01	68803553
2008-01-01	70997884
2009-01-01	66541367
2010-01-01	207876756
2011-01-01	233874841
2012-01-01	152314497
2013-01-01	179611664
2014-01-01	141333061
2015-01-01	233819693
2016-01-01	144369255