Year	Dollars
1992-01-01	3177975
1997-01-01	5572135
2002-01-01	13241007
2003-01-01	13131265
2004-01-01	17504546
2005-01-01	30549185
2006-01-01	20383720
2007-01-01	35230008
2008-01-01	48860714
2009-01-01	24070986
2010-01-01	45135895
2011-01-01	56297423
2012-01-01	48634511
2013-01-01	53210631
2014-01-01	66560112
2015-01-01	58822672
2016-01-01	55982406