Year	Dollars
1992-01-01	9112507
1997-01-01	17105306
2002-01-01	60129242
2003-01-01	86633121
2004-01-01	76927617
2005-01-01	96207797
2006-01-01	122215360
2007-01-01	224429063
2008-01-01	181153282
2009-01-01	258099329
2010-01-01	615514464
2011-01-01	606096763
2012-01-01	691298628
2013-01-01	703615336
2014-01-01	952065006
2015-01-01	913414509
2016-01-01	677227994