Year	Dollars
1992-01-01	1238764
1997-01-01	2231591
2002-01-01	1720413
2003-01-01	1905146
2004-01-01	2045612
2005-01-01	1493576
2006-01-01	3785793
2007-01-01	2306082
2008-01-01	5311072
2009-01-01	5920159
2010-01-01	6300320
2011-01-01	10795097
2012-01-01	14697133
2014-01-01	9675836
2015-01-01	12197997
2016-01-01	15036914