Year	Dollars
1997-01-01	17311425
2002-01-01	20639035
2003-01-01	20727850
2004-01-01	20457068
2005-01-01	57462943
2006-01-01	52317783
2007-01-01	104012897
2008-01-01	67993615
2009-01-01	38479060
2010-01-01	35085232
2011-01-01	43136779
2012-01-01	49275818
2013-01-01	45394267
2014-01-01	46391951
2015-01-01	37390173
2016-01-01	46403426