Year	Dollars
1992-01-01	79802903
1997-01-01	161058492
2002-01-01	244097133
2003-01-01	219974617
2004-01-01	236294274
2005-01-01	231716424
2006-01-01	216139065
2007-01-01	348994103
2008-01-01	352996168
2009-01-01	315472357
2010-01-01	257892672
2011-01-01	230965158
2012-01-01	255127780
2013-01-01	241049991
2014-01-01	192252172
2015-01-01	211112761
2016-01-01	242435154