Year	Dollars
1992-01-01	28273780
1997-01-01	34000111
2002-01-01	68553924
2003-01-01	71993441
2004-01-01	429526519
2005-01-01	140029626
2006-01-01	123533950
2007-01-01	143772592
2008-01-01	138144920
2009-01-01	111565740
2010-01-01	166938213
2011-01-01	219502419
2012-01-01	236698378
2013-01-01	322233589
2014-01-01	225211927
2015-01-01	176351877
2016-01-01	177745832