Year	Dollars
1992-01-01	10235825
1997-01-01	8129969
2002-01-01	15147343
2003-01-01	11132061
2004-01-01	9343236
2005-01-01	12369601
2006-01-01	22263150
2007-01-01	28307714
2008-01-01	34779438
2009-01-01	34134763
2010-01-01	25743086
2011-01-01	31700152
2012-01-01	17868326
2013-01-01	14087884
2014-01-01	12008159
2015-01-01	11424961
2016-01-01	9515512