Year	Dollars
1992-01-01	290761789
1997-01-01	451822114
2002-01-01	439532083
2003-01-01	515169600
2004-01-01	618758537
2005-01-01	759336643
2006-01-01	824056746
2007-01-01	798078555
2008-01-01	651891210
2009-01-01	608389101
2010-01-01	877574407
2011-01-01	1015356502
2012-01-01	1013487887
2013-01-01	885875971
2014-01-01	977238536
2015-01-01	994690026
2016-01-01	961790903