Year	Dollars
1992-01-01	7469256
1997-01-01	9126028
2002-01-01	5217583
2003-01-01	3719514
2004-01-01	4242346
2005-01-01	9655458
2006-01-01	8642033
2007-01-01	9632097
2008-01-01	19386421
2009-01-01	11043962
2010-01-01	12093509
2011-01-01	16820848
2012-01-01	13991356
2013-01-01	11716326
2014-01-01	12208195
2015-01-01	14697145
2016-01-01	16801705