Year	Dollars
1992-01-01	17058667
1997-01-01	36464865
2002-01-01	64461692
2003-01-01	29862878
2004-01-01	45125089
2005-01-01	57461427
2006-01-01	128801981
2007-01-01	126289028
2008-01-01	246877899
2009-01-01	206265674
2010-01-01	219642808
2011-01-01	332640401
2012-01-01	423727604
2013-01-01	434354535
2014-01-01	320291419
2015-01-01	241667375
2016-01-01	218700233