Year	Dollars
1992-01-01	311917620
1997-01-01	382326397
2002-01-01	503688328
2003-01-01	440576724
2004-01-01	471459728
2005-01-01	571790003
2006-01-01	616652526
2007-01-01	741260114
2008-01-01	1182931237
2009-01-01	755232902
2010-01-01	1050693500
2011-01-01	1311344303
2012-01-01	1239562184
2013-01-01	2384349285
2014-01-01	1888276901
2015-01-01	1363049797
2016-01-01	1341770056