Year	US Dollars adjusted for inflation)
1984	1516865496.45084
1985	1593770030.2609
1986	1671627820.11139
1987	1647793878.0009
1988	1614669908.16358
1989	1843801847.5978
1990	1967420993.30949
1991	2051952488.37673
1992	2166038128.19252
1993	2294106357.55325
1994	2481282920.37532
1995	2655748233.09473
1996	2839747068.00933
1997	3034897078.44882
1998	3155309900.49614
1999	3385848708.09639
2000	3582186704.57195
2001	3788213052.16281
2002	4012427672.83985
2003	4255861752.18768
2004	4526436482.44702
2005	4848156050.11908
2006	5266031526.29351
2007	5666082925.92663
2008	6109448405.32914
2009	6567765473.09865
2010	7127792629.58294
2011	7700771122.88344
2012	8318842593.38626
2013	8986537875.29121
2014	9670589852.94697
2015	10373602257.4925
2016	11102149874.6903
2017	11867393084.3947