Year	Dollars
1992-01-01	2235933
1997-01-01	4874772
2002-01-01	4420063
2003-01-01	6815981
2004-01-01	4960501
2005-01-01	5115402
2006-01-01	4887173
2007-01-01	4618627
2008-01-01	7020995
2009-01-01	6089386
2010-01-01	5007525
2011-01-01	4787084
2012-01-01	10142268
2013-01-01	8440704
2014-01-01	22388423
2015-01-01	20560384
2016-01-01	8163224