Year	Dollars
1992-01-01	75345187
1997-01-01	208933984
2002-01-01	225432800
2003-01-01	252177234
2004-01-01	623882131
2005-01-01	936829636
2006-01-01	554675605
2007-01-01	744389424
2008-01-01	767037698
2009-01-01	550230296
2010-01-01	751597582
2011-01-01	1431389309
2012-01-01	1350565501
2013-01-01	1277647438
2014-01-01	1367500660
2015-01-01	1179227394
2016-01-01	1238311497