Year	Dollars
1992-01-01	2614330
1997-01-01	8594490
2002-01-01	17641740
2003-01-01	12037413
2004-01-01	10054418
2005-01-01	21255215
2006-01-01	25447554
2007-01-01	41411036
2008-01-01	71235794
2009-01-01	22045930
2010-01-01	36987966
2011-01-01	266558467
2012-01-01	30188367
2013-01-01	36028080
2014-01-01	38476115
2015-01-01	115645840
2016-01-01	77428039