Year	Dollars
1992-01-01	11971830
1997-01-01	9606139
2002-01-01	13963638
2003-01-01	13234554
2004-01-01	15644403
2005-01-01	14345184
2006-01-01	7397722
2007-01-01	10223201
2008-01-01	11532067
2009-01-01	8380552
2010-01-01	8682852
2011-01-01	6115462
2012-01-01	6993623
2013-01-01	3091702
2014-01-01	4475669
2015-01-01	4743477
2016-01-01	1788338