Year	US Dollars adjusted for inflation)
1984	1064062565.36047
1985	1068520168.8324
1986	1272666699.31985
1987	1398614208.54957
1988	1564061269.74538
1989	1671124597.6625
1990	1741094197.12591
1991	1769038548.0969
1992	1782966119.67023
1993	1828757610.99601
1994	1901974932.81388
1995	1983396586.72548
1996	2136435397.10606
1997	2319774202.56882
1998	2633158501.69142
1999	2993722588.90589
2000	3153538406.19094
2001	3323077876.32785
2002	3518108482.26669
2003	3740726607.87924
2004	3935244268.82819
2005	4167423800.56207
2006	4488315495.65083
2007	4823012101.55446
2008	5298014330.14248
2009	5410711103.01657
2010	5920177688.50433
2011	6205220162.84927
2012	6593017921.96885
2013	6889275861.79762
2014	7235885087.01456
2015	6989864994.05606