Year	Dollars
1992-01-01	277810521
1997-01-01	391475519
2002-01-01	277838754
2003-01-01	309890919
2004-01-01	324044478
2005-01-01	366634300
2006-01-01	482124116
2007-01-01	537221165
2008-01-01	878877470
2009-01-01	1508498646
2010-01-01	526823609
2011-01-01	609008164
2012-01-01	646409892
2013-01-01	676068194
2014-01-01	749617024
2015-01-01	672821581
2016-01-01	736786757