Year	Dollars
1992-01-01	16894004
1997-01-01	28640221
2002-01-01	115294900
2003-01-01	143288908
2004-01-01	61434869
2005-01-01	87309188
2006-01-01	60636567
2007-01-01	72072173
2008-01-01	56908322
2009-01-01	73003517
2010-01-01	79499772
2011-01-01	125150545
2012-01-01	98606086
2013-01-01	125486871
2014-01-01	140447287
2015-01-01	137665253
2016-01-01	162185055