Year	Dollars
1992-01-01	24731961
1997-01-01	40390626
2002-01-01	37642286
2003-01-01	43645721
2004-01-01	57320837
2005-01-01	59803170
2006-01-01	91805389
2007-01-01	94588019
2008-01-01	114175760
2009-01-01	90431529
2010-01-01	142584271
2011-01-01	168432270
2012-01-01	159296844
2013-01-01	188797724
2014-01-01	198162301
2015-01-01	422684787
2016-01-01	429290835