Year	Dollars
1992-01-01	142098069
1997-01-01	164390939
2002-01-01	209427561
2003-01-01	293793137
2004-01-01	551280831
2005-01-01	464372835
2006-01-01	341397854
2007-01-01	247689911
2008-01-01	300739127
2009-01-01	250578595
2010-01-01	380496951
2011-01-01	394116717
2012-01-01	368510136
2013-01-01	427875065
2014-01-01	605890173
2015-01-01	398688535
2016-01-01	376690932