Year	Dollars
1992-01-01	1371771
1997-01-01	11317713
2002-01-01	4020160
2003-01-01	6294370
2004-01-01	4663984
2005-01-01	13686114
2006-01-01	9815499
2007-01-01	11411903
2008-01-01	12138906
2009-01-01	17708522
2010-01-01	16616992
2011-01-01	27395130
2012-01-01	23158603
2013-01-01	23073698
2014-01-01	23085691
2015-01-01	26787821
2016-01-01	40355304