Year	Dollars
1992-01-01	68267162
1997-01-01	166426511
2002-01-01	185025925
2003-01-01	200073713
2004-01-01	283318995
2005-01-01	328073097
2006-01-01	354602265
2007-01-01	450276556
2008-01-01	551358181
2009-01-01	559564546
2010-01-01	665265540
2011-01-01	846154185
2012-01-01	864279157
2013-01-01	1266900744
2014-01-01	2327326381
2015-01-01	599125237
2016-01-01	732909141