Year	Dollars
1992-01-01	1782051
1997-01-01	3974151
2002-01-01	4703871
2003-01-01	5368312
2004-01-01	11230971
2005-01-01	12062817
2006-01-01	13538151
2007-01-01	10657427
2008-01-01	12286663
2009-01-01	8623717
2010-01-01	13035696
2011-01-01	22414224
2012-01-01	14507276
2013-01-01	16321778
2014-01-01	33941943
2015-01-01	23272601
2016-01-01	27994863