Year	Dollars
1992-01-01	6551488
1997-01-01	6966955
2002-01-01	32385413
2003-01-01	33871167
2004-01-01	36532858
2005-01-01	33910536
2006-01-01	36121196
2007-01-01	26005893
2008-01-01	13753207
2009-01-01	8498649
2010-01-01	9854691
2011-01-01	11595547
2012-01-01	11246825
2013-01-01	12613642
2014-01-01	13776142
2015-01-01	6403860
2016-01-01	10132151