Year	Dollars
1992-01-01	3190172
1997-01-01	3491764
2002-01-01	773610
2003-01-01	1123375
2004-01-01	1914494
2005-01-01	1694584
2006-01-01	1938243
2007-01-01	8006148
2008-01-01	4975999
2009-01-01	6190039
2010-01-01	16798832
2011-01-01	19604556
2012-01-01	19485344
2013-01-01	8899551
2014-01-01	12698903
2015-01-01	8776964
2016-01-01	6185001