Year	Dollars
1992-01-01	184137084
1997-01-01	137751185
2002-01-01	217255390
2003-01-01	226848234
2004-01-01	215531280
2005-01-01	226777888
2006-01-01	226320464
2007-01-01	201769521
2008-01-01	198803520
2009-01-01	175827157
2010-01-01	227453142
2011-01-01	185188350
2012-01-01	183056692
2013-01-01	189274287
2014-01-01	242535568
2015-01-01	245498781
2016-01-01	294514367