Year	Dollars
1992-01-01	7857216
1997-01-01	4104930
2002-01-01	5201607
2003-01-01	8301790
2004-01-01	12364516
2005-01-01	4465930
2006-01-01	5513724
2007-01-01	18167709
2008-01-01	11370715
2009-01-01	11123290
2010-01-01	16544670
2011-01-01	23271226
2012-01-01	21923986
2013-01-01	15022854
2014-01-01	19633304
2015-01-01	20562969
2016-01-01	17497408