Year	Dollars
1992-01-01	252464
1997-01-01	674039
2002-01-01	133769
2003-01-01	1545948
2006-01-01	7239880
2007-01-01	3239543
2008-01-01	1249053
2009-01-01	2249553
2010-01-01	5216447
2011-01-01	6388119
2012-01-01	7151508
2013-01-01	2706367
2014-01-01	2895686
2015-01-01	2251029
2016-01-01	1766631