Year	Dollars
1992-01-01	1667899
1997-01-01	8176611
2002-01-01	3999159
2003-01-01	3228633
2004-01-01	1099079
2005-01-01	2121672
2006-01-01	23911838
2007-01-01	4400097
2008-01-01	6709160
2009-01-01	7563831
2010-01-01	7132915
2011-01-01	11123801
2012-01-01	8689755
2013-01-01	15097173
2014-01-01	16261937
2015-01-01	12598916
2016-01-01	10944533