Year	Dollars
1992-01-01	2683543
1997-01-01	6495627
2002-01-01	18434927
2003-01-01	20026872
2004-01-01	31797767
2005-01-01	37545840
2006-01-01	47591404
2007-01-01	61311106
2008-01-01	78385051
2009-01-01	44159645
2010-01-01	49675059
2011-01-01	54602802
2012-01-01	52003492
2013-01-01	31153516
2014-01-01	24039759
2015-01-01	20081162
2016-01-01	17524623