Year	Dollars
1992-01-01	418253751
1997-01-01	1026367237
2002-01-01	357004151
2003-01-01	321625406
2004-01-01	320464963
2005-01-01	222448969
2006-01-01	366990732
2007-01-01	573836636
2008-01-01	634334401
2009-01-01	199793529
2010-01-01	260921016
2011-01-01	272186416
2012-01-01	301250130
2013-01-01	383266582
2014-01-01	409081185
2015-01-01	424112216
2016-01-01	385708048