Year	Dollars
1992-01-01	3814683
1997-01-01	5484004
2002-01-01	5147527
2003-01-01	4952194
2004-01-01	8683606
2005-01-01	8942764
2006-01-01	10988652
2007-01-01	15608729
2008-01-01	17148262
2009-01-01	13148666
2010-01-01	15104324
2011-01-01	20632590
2012-01-01	16975202
2013-01-01	16125837
2014-01-01	16954803
2015-01-01	12468645
2016-01-01	16933259