Year	US Dollars adjusted for inflation)
1986	2947132621.38953
1987	3044386195.59046
1988	3236429629.51973
1989	3365999313.40912
1990	3511547236.01066
1991	3603318819.29502
1992	3721181478.94375
1993	3908883251.41332
1994	4064069790.43034
1995	4251328845.07547
1996	4441005073.60667
1997	4671120346.10838
1998	4841341634.90272
1999	5025893773.35097
2000	5151694938.25241
2001	5340161788.21103
2002	5615960289.41184
2003	5686081240.34665
2004	5819142211.86149
2005	5993557764.69665
2006	6064290164.05101
2007	6478328024.15837
2008	6746311587.65522
2009	6670912205.63947
2010	6992497898.58596
2011	7384924172.37023
2012	7821883617.09111
2013	8129657844.1119
2014	8431060974.98574
2015	8752701726.34786
2016	9667718426.6828
2017	10465290137.4678