Year	Dollars
1992-01-01	6784055
1997-01-01	1749128
2002-01-01	2307832
2003-01-01	4468005
2004-01-01	5233692
2005-01-01	6106583
2006-01-01	13509984
2007-01-01	24635434
2008-01-01	18601297
2009-01-01	22177360
2010-01-01	19299246
2011-01-01	23586306
2012-01-01	17879215
2013-01-01	27893170
2014-01-01	25048233
2015-01-01	16142890
2016-01-01	10076835