Year	Dollars
1992-01-01	4353347
1997-01-01	6727231
2002-01-01	6436665
2003-01-01	6692915
2004-01-01	7885210
2005-01-01	5079404
2006-01-01	9270856
2007-01-01	9739632
2008-01-01	12620949
2009-01-01	32927707
2010-01-01	50890743
2011-01-01	51646193
2012-01-01	40734193
2013-01-01	13857030
2014-01-01	16489758
2015-01-01	9218608
2016-01-01	8560485