Year	Dollars
1992-01-01	5424783
1997-01-01	23521224
2002-01-01	19110438
2003-01-01	24519130
2004-01-01	41421187
2005-01-01	41404449
2006-01-01	49883831
2007-01-01	63783298
2008-01-01	122808428
2009-01-01	133824048
2010-01-01	145572865
2011-01-01	143134074
2012-01-01	137308380
2013-01-01	127545559
2014-01-01	127613881
2015-01-01	140719496
2016-01-01	104844533