Year	Dollars
1992-01-01	5267752
1997-01-01	6266874
2002-01-01	8524892
2003-01-01	8188901
2004-01-01	8968813
2005-01-01	14044256
2006-01-01	28854016
2007-01-01	36696301
2008-01-01	91598593
2009-01-01	45031577
2010-01-01	69951701
2011-01-01	37360876
2012-01-01	93823781
2013-01-01	51303221
2014-01-01	55846609
2015-01-01	36061514
2016-01-01	15198541