Year	Dollars
1992-01-01	31816686
1997-01-01	52566033
2002-01-01	40185726
2003-01-01	35572695
2004-01-01	67258748
2005-01-01	74775659
2006-01-01	93095743
2007-01-01	134311031
2008-01-01	181799107
2009-01-01	167782280
2010-01-01	205557870
2011-01-01	236245060
2012-01-01	231360227
2013-01-01	371669272
2014-01-01	288793828
2015-01-01	212046070
2016-01-01	399975530