Year	Dollars
1992-01-01	76715447
1997-01-01	111512478
2002-01-01	62954165
2003-01-01	39621547
2004-01-01	83808330
2005-01-01	123229021
2006-01-01	137953994
2007-01-01	196293775
2008-01-01	132964814
2009-01-01	147830896
2010-01-01	184417162
2011-01-01	211751051
2012-01-01	213624176
2013-01-01	150437907
2014-01-01	107140927
2015-01-01	85215015
2016-01-01	20892802