Year	Dollars
1997-01-01	2269850
2002-01-01	6952637
2003-01-01	6942439
2004-01-01	78872272
2005-01-01	18127633
2006-01-01	20726244
2007-01-01	33100615
2008-01-01	118395965
2009-01-01	44552267
2010-01-01	41636012
2011-01-01	41635518
2012-01-01	43665775
2013-01-01	52572502
2014-01-01	61343870
2015-01-01	60566364
2016-01-01	61659367