Year	Dollars
1992-01-01	7051929
1997-01-01	10238857
2002-01-01	7736260
2003-01-01	8841028
2004-01-01	12896547
2005-01-01	14865011
2006-01-01	16575057
2007-01-01	10513626
2008-01-01	12249009
2009-01-01	10777547
2010-01-01	23203809
2011-01-01	37419832
2012-01-01	36026163
2013-01-01	114719268
2014-01-01	29900630
2015-01-01	50677644
2016-01-01	26708857