Year	Dollars
1992-01-01	10475344
1997-01-01	20933880
2002-01-01	5543261
2003-01-01	5048643
2004-01-01	5967965
2005-01-01	8850986
2006-01-01	11952243
2007-01-01	19963177
2008-01-01	22617313
2009-01-01	12034782
2010-01-01	13883682
2011-01-01	57939023
2012-01-01	11573253
2013-01-01	9656322
2014-01-01	17926630
2015-01-01	20398660
2016-01-01	13677815