Year	Dollars
1992-01-01	9921172
1997-01-01	4698103
2002-01-01	7171616
2003-01-01	11199102
2004-01-01	10314729
2005-01-01	44866242
2006-01-01	13794798
2007-01-01	11715312
2008-01-01	19202805
2009-01-01	27671895
2010-01-01	35336078
2011-01-01	34474699
2012-01-01	24148208
2013-01-01	52603833
2014-01-01	34287267
2015-01-01	23627305
2016-01-01	21321802