Year	Dollars
1992-01-01	1195797
1997-01-01	4101448
2002-01-01	4911514
2003-01-01	12519378
2004-01-01	53867731
2005-01-01	39338424
2006-01-01	56689771
2007-01-01	28579387
2008-01-01	21084627
2009-01-01	14748268
2010-01-01	19159704
2011-01-01	28204515
2012-01-01	30103410
2013-01-01	34687980
2014-01-01	29972612
2015-01-01	18559876
2016-01-01	27149375