Year	Dollars
1992-01-01	31899753
1997-01-01	48304365
2002-01-01	24338088
2003-01-01	39639231
2004-01-01	68310773
2005-01-01	74642518
2006-01-01	60645205
2007-01-01	108915972
2008-01-01	107928741
2009-01-01	97405064
2010-01-01	192667301
2011-01-01	269282521
2012-01-01	225429124
2013-01-01	312808759
2014-01-01	181445745
2015-01-01	115039965
2016-01-01	120052785