Year	Dollars
1992-01-01	19629004
1997-01-01	64632783
2002-01-01	70772478
2003-01-01	46354045
2004-01-01	29837916
2005-01-01	50098784
2006-01-01	38966302
2007-01-01	51659336
2008-01-01	55411786
2009-01-01	57400700
2010-01-01	71860197
2011-01-01	96777039
2012-01-01	122080130
2013-01-01	227956046
2014-01-01	138455227
2015-01-01	201384671
2016-01-01	120945022