Year	Dollars
1992-01-01	85083549
1997-01-01	79786838
2002-01-01	107873383
2003-01-01	139583399
2004-01-01	222717424
2005-01-01	281695443
2006-01-01	356424705
2007-01-01	414231749
2008-01-01	325653494
2009-01-01	230160046
2010-01-01	468215689
2011-01-01	544061962
2012-01-01	393213002
2013-01-01	425548311
2014-01-01	417532955
2015-01-01	477313298
2016-01-01	484135337