Year	Dollars
1992-01-01	26233154
1997-01-01	44516773
2002-01-01	54002331
2003-01-01	62917569
2004-01-01	87685712
2005-01-01	180694052
2006-01-01	220987333
2007-01-01	195202699
2008-01-01	509956177
2009-01-01	129469885
2010-01-01	129982265
2011-01-01	138245674
2012-01-01	195799995
2013-01-01	174661759
2014-01-01	160884813
2015-01-01	205063414
2016-01-01	190942297