Year	Dollars
1992-01-01	1974660
1997-01-01	5997154
2002-01-01	3276044
2003-01-01	3590841
2004-01-01	5092067
2005-01-01	9790437
2006-01-01	9771670
2007-01-01	6642455
2008-01-01	15178597
2009-01-01	7782220
2010-01-01	13283780
2011-01-01	13210149
2012-01-01	21373615
2013-01-01	19159260
2014-01-01	19880277
2015-01-01	14523017
2016-01-01	13280945