Year	Dollars
1992-01-01	3717702
1997-01-01	5874385
2002-01-01	4787593
2003-01-01	7912178
2004-01-01	2809912
2005-01-01	6084709
2006-01-01	7599488
2007-01-01	17342515
2008-01-01	6851997
2009-01-01	14680145
2010-01-01	15593578
2011-01-01	14435464
2012-01-01	15168866
2013-01-01	16114512
2014-01-01	12400031
2015-01-01	10969446
2016-01-01	15976810