Year	Dollars
1992-01-01	1010896040
1997-01-01	1860267314
2002-01-01	3580527365
2003-01-01	2711566894
2004-01-01	2758057498
2005-01-01	3346014392
2006-01-01	3794260648
2007-01-01	5075915629
2008-01-01	3851535720
2009-01-01	2474353892
2010-01-01	3998030208
2011-01-01	3433135242
2012-01-01	3399405122
2013-01-01	3998727181
2014-01-01	4039659147
2015-01-01	3091996755
2016-01-01	4202090563