Year	Dollars
1992-01-01	6792837
1997-01-01	22004957
2002-01-01	13243045
2003-01-01	11904747
2004-01-01	18236374
2005-01-01	19234913
2006-01-01	22686470
2007-01-01	31863648
2008-01-01	36451988
2009-01-01	25991768
2010-01-01	90281005
2011-01-01	115481266
2012-01-01	88051547
2013-01-01	66403720
2014-01-01	46452786
2015-01-01	31179136
2016-01-01	42318185