Year	Dollars
1992-01-01	9976940
1997-01-01	9675686
2002-01-01	10821026
2003-01-01	18809377
2004-01-01	24616560
2005-01-01	24439328
2006-01-01	20394948
2007-01-01	21419695
2008-01-01	19327906
2009-01-01	11244792
2010-01-01	21148402
2011-01-01	16796253
2012-01-01	19136545
2013-01-01	8733651
2014-01-01	17813767
2015-01-01	12532975
2016-01-01	8702136