Year	Dollars
1992-01-01	182895820
1997-01-01	292097019
2002-01-01	297703534
2003-01-01	405232353
2004-01-01	423940086
2005-01-01	465919502
2006-01-01	534552281
2007-01-01	652900581
2008-01-01	692167654
2009-01-01	527582510
2010-01-01	578669334
2011-01-01	585261100
2012-01-01	647961893
2013-01-01	606153357
2014-01-01	607476132
2015-01-01	490215134
2016-01-01	505670946