Year	Dollars
1992-01-01	31071882
1997-01-01	45799342
2002-01-01	95405268
2003-01-01	133251298
2004-01-01	138192265
2005-01-01	71439614
2006-01-01	116073072
2007-01-01	81300026
2008-01-01	111333970
2009-01-01	96041893
2010-01-01	143793338
2011-01-01	191790994
2012-01-01	189191641
2013-01-01	154808493
2014-01-01	170852414
2015-01-01	149202963
2016-01-01	143695825