Year	Dollars
1992-01-01	506418912
1997-01-01	213071642
2002-01-01	384935889
2003-01-01	566202358
2004-01-01	817791229
2005-01-01	914962804
2006-01-01	1253341564
2007-01-01	1147326078
2008-01-01	1054407469
2009-01-01	664895716
2010-01-01	783358356
2011-01-01	1346927606
2012-01-01	2837747642
2013-01-01	3154815324
2014-01-01	2687708477
2015-01-01	1824111633
2016-01-01	1749674879