Year	Dollars
1992-01-01	47427
1997-01-01	147102
2002-01-01	464747
2004-01-01	168924
2007-01-01	63543
2008-01-01	359462
2009-01-01	211736
2010-01-01	571967
2011-01-01	943732
2012-01-01	321211
2013-01-01	212422
2014-01-01	492099
2015-01-01	251854
2016-01-01	400146