Year	Dollars
1992-01-01	2416186214
1997-01-01	4699684517
2002-01-01	5018850307
2003-01-01	5709490131
2004-01-01	6216421428
2005-01-01	6239881101
2006-01-01	7335684049
2007-01-01	6907263058
2008-01-01	7134644909
2009-01-01	5406080470
2010-01-01	6258010000
2011-01-01	6843469031
2012-01-01	7515428081
2013-01-01	7983609718
2014-01-01	7739603816
2015-01-01	7460189150
2016-01-01	7148751729