Year	Dollars
1992-01-01	802668
1997-01-01	1866221
2002-01-01	1994362
2003-01-01	1371615
2004-01-01	4180545
2005-01-01	4062678
2006-01-01	4257434
2007-01-01	6394475
2008-01-01	6919564
2009-01-01	7676062
2010-01-01	13286302
2011-01-01	7986797
2012-01-01	7483985
2013-01-01	8195794
2014-01-01	8716802
2015-01-01	6612572
2016-01-01	5766024