Year	Dollars
1992-01-01	2729950
1997-01-01	26063021
2002-01-01	60489253
2006-01-01	121639004
2007-01-01	59557521
2008-01-01	28969947
2009-01-01	7356411
2010-01-01	12584351
2011-01-01	74437936
2012-01-01	7768173
2013-01-01	7013133
2014-01-01	9181964
2015-01-01	5709876
2016-01-01	32672525