Year	Dollars
1992-01-01	1694693
1997-01-01	6316732
2002-01-01	6601288
2003-01-01	9332767
2004-01-01	15664678
2005-01-01	15148250
2006-01-01	27407114
2007-01-01	28922440
2008-01-01	16317107
2009-01-01	45807450
2010-01-01	57512773
2011-01-01	52364637
2012-01-01	114906343
2013-01-01	39110093
2014-01-01	53511136
2015-01-01	25765936
2016-01-01	47554365