Year	Dollars
1992-01-01	23965982
1997-01-01	31535863
2002-01-01	20053488
2003-01-01	7278094
2004-01-01	13082425
2005-01-01	27332805
2006-01-01	42113976
2007-01-01	125620882
2008-01-01	41652324
2009-01-01	52887609
2010-01-01	49366625
2011-01-01	71769448
2012-01-01	69142516
2013-01-01	65045925
2014-01-01	67155384
2015-01-01	36640325
2016-01-01	17896278