Year	Dollars
1992-01-01	3271795
1997-01-01	22539629
2002-01-01	17144478
2003-01-01	23190304
2004-01-01	14344399
2005-01-01	14365750
2006-01-01	14154373
2007-01-01	16803360
2008-01-01	16020079
2009-01-01	26468900
2010-01-01	23032931
2011-01-01	27538610
2012-01-01	25535567
2013-01-01	27885255
2014-01-01	29590438
2015-01-01	34695159
2016-01-01	30442674