Year	Dollars
1992-01-01	7141695
1997-01-01	6287965
2002-01-01	3909441
2003-01-01	7443722
2004-01-01	10247422
2005-01-01	6434869
2006-01-01	9684345
2007-01-01	5055507
2008-01-01	5389455
2009-01-01	3448485
2010-01-01	3938694
2011-01-01	2417215
2012-01-01	3841923
2013-01-01	3059852
2014-01-01	2935356
2015-01-01	4762845
2016-01-01	2481318