Year	Dollars
1992-01-01	3480661
1997-01-01	2089318
2002-01-01	6582680
2003-01-01	2837056
2004-01-01	4900696
2005-01-01	4245241
2006-01-01	4175127
2007-01-01	2790343
2008-01-01	6622103
2009-01-01	8130250
2010-01-01	15096752
2011-01-01	41144318
2012-01-01	32914162
2013-01-01	18695438
2014-01-01	11677220
2015-01-01	11583500
2016-01-01	11308115