Year	Dollars
1992-01-01	104974600
1997-01-01	304510662
2002-01-01	237982375
2003-01-01	222085773
2004-01-01	239660752
2005-01-01	278385835
2006-01-01	572795243
2007-01-01	492921881
2008-01-01	590809051
2009-01-01	667992162
2010-01-01	780848702
2011-01-01	1440762544
2012-01-01	1372984732
2013-01-01	721725266
2014-01-01	635290650
2015-01-01	485971470
2016-01-01	473580904