Year	Dollars
1992-01-01	28176275
1997-01-01	66281553
2002-01-01	72871538
2003-01-01	114966336
2004-01-01	148999987
2005-01-01	181316663
2006-01-01	266897125
2007-01-01	275084586
2008-01-01	706201894
2009-01-01	697026080
2010-01-01	561962754
2011-01-01	638972519
2012-01-01	626394607
2013-01-01	508617832
2014-01-01	429057081
2015-01-01	487877536
2016-01-01	562555228