Year	Dollars
1992-01-01	4326910
1997-01-01	9484065
2002-01-01	8385975
2003-01-01	13302296
2004-01-01	8958552
2005-01-01	17995501
2006-01-01	11511316
2007-01-01	13020487
2008-01-01	21271209
2009-01-01	8346895
2010-01-01	9334177
2011-01-01	9063037
2012-01-01	12111108
2013-01-01	12381634
2014-01-01	38053965
2015-01-01	14881326
2016-01-01	9326398