Year	Dollars
1992-01-01	253145686
1997-01-01	397728564
2002-01-01	406613529
2003-01-01	409972398
2004-01-01	432890154
2005-01-01	499957693
2006-01-01	557309609
2007-01-01	643467796
2008-01-01	766281905
2009-01-01	623614864
2010-01-01	730912417
2011-01-01	854869613
2012-01-01	682475624
2013-01-01	669231129
2014-01-01	691469594
2015-01-01	661504551
2016-01-01	599410817