Year	Dollars
1992-01-01	126314200
1997-01-01	213183151
2002-01-01	243486656
2003-01-01	301016386
2004-01-01	254322609
2005-01-01	170900076
2006-01-01	291477882
2007-01-01	403242391
2008-01-01	1150141709
2009-01-01	557114467
2010-01-01	573252239
2011-01-01	899636069
2012-01-01	1113636652
2013-01-01	657202369
2014-01-01	740651721
2015-01-01	428565087
2016-01-01	251854335