Year	Dollars
1992-01-01	14042808
1997-01-01	24383091
2002-01-01	61069669
2003-01-01	46667255
2004-01-01	30854091
2005-01-01	47408095
2006-01-01	41930059
2007-01-01	83531489
2008-01-01	65520823
2009-01-01	62789824
2010-01-01	87352887
2011-01-01	149847762
2012-01-01	171993608
2013-01-01	213374117
2014-01-01	134907764
2015-01-01	89590252
2016-01-01	67514455