Year	Dollars
1992-01-01	2136208763
1997-01-01	953486640
2002-01-01	966288160
2003-01-01	882482001
2005-01-01	1128718612
2006-01-01	1062392224
2007-01-01	731971886
2008-01-01	691931808
2009-01-01	702312623
2010-01-01	825590010
2011-01-01	855861816
2012-01-01	624342303
2013-01-01	679614992
2014-01-01	786728847
2015-01-01	845605703
2016-01-01	799079439