Year	Dollars
1992-01-01	9513646
1997-01-01	4830762
2002-01-01	9215213
2003-01-01	4059782
2004-01-01	3804556
2005-01-01	4776791
2006-01-01	6787820
2007-01-01	11273604
2008-01-01	60312891
2009-01-01	57444605
2010-01-01	63928381
2011-01-01	22238714
2012-01-01	18555596
2013-01-01	21025316
2014-01-01	86861275
2015-01-01	32899894
2016-01-01	27954261