Year	Dollars
1992-01-01	512702
1997-01-01	2135859
2002-01-01	3765440
2003-01-01	4254954
2004-01-01	2730385
2005-01-01	8246504
2006-01-01	12476200
2007-01-01	4098094
2008-01-01	14911509
2009-01-01	6326056
2010-01-01	8941615
2011-01-01	12804809
2012-01-01	14237327
2013-01-01	21850207
2014-01-01	22509306
2015-01-01	19266879
2016-01-01	16660965