Year	Dollars
1992-01-01	135403
1997-01-01	337623
2002-01-01	1031152
2003-01-01	860638
2004-01-01	1235690
2005-01-01	3117030
2006-01-01	4888556
2007-01-01	9502099
2008-01-01	9635639
2009-01-01	8458926
2010-01-01	9933902
2011-01-01	16523790
2012-01-01	17794711
2013-01-01	8449293
2014-01-01	9376425
2015-01-01	13386835
2016-01-01	8218591