Year	Dollars
1992-01-01	2796907297
1997-01-01	5167291422
2002-01-01	4286215347
2003-01-01	4319984175
2004-01-01	5597634258
2005-01-01	6044662618
2006-01-01	6623919090
2007-01-01	7073526685
2008-01-01	7109303856
2009-01-01	5745073067
2010-01-01	7598519537
2011-01-01	7812349922
2012-01-01	7884512510
2013-01-01	8062652682
2014-01-01	8295630307