Year	Dollars
1992-01-01	636372
1997-01-01	3913387
2002-01-01	3202615
2003-01-01	4948304
2004-01-01	4934916
2005-01-01	7706900
2006-01-01	8817357
2007-01-01	11545957
2008-01-01	13132255
2009-01-01	10951028
2010-01-01	10863057
2011-01-01	11212038
2013-01-01	18611313
2014-01-01	31429341
2015-01-01	19767171
2016-01-01	18315392