Year	Dollars
1992-01-01	8123171
1997-01-01	7026512
2002-01-01	50525675
2003-01-01	62619299
2004-01-01	24175452
2005-01-01	19129860
2006-01-01	39144990
2007-01-01	40759257
2008-01-01	90020057
2009-01-01	106613895
2010-01-01	202910093
2011-01-01	99695450
2012-01-01	152444510
2013-01-01	149344220
2014-01-01	128647094
2015-01-01	106116181
2016-01-01	60258593