Year	current US$
1980	231548936854.6566
1981	260426325288.86896
1982	269759032773.5728
1983	258349157828.30762
1984	259012860377.66147
1985	257686034127.06573
1986	260420746371.60162
1987	270438585319.48093
1988	273787673670.6051
1989	281561741003.6915
1990	382039668360.41266
1991	376239487163.7192
1992	415559208544.39343
1993	417101891232.58307
1994	424030271214.9521
1995	470018805049.5946
1996	508268850469.17596
1997	554504677939.7915
1998	550897893428.8624
1999	601839333978.8933
2000	664257763822.0721
2001	662373685444.2252
2002	672453810421.5981
2003	728941696847.2334
2004	855461834576.8007
2005	1020562288535.3141
2006	1222800511480.0415
2007	1443468657804.482
2008	1783058821356.8972
2009	1630777193640.6746
2010	1891447514848.7068
2011	1991149839592.7585
2012	2205722648350.3364
2013	2274075934090.2876
2014	2350119084750.396
2015	2141147130648.3499
2016	2154855276444.4783
2017	2201069987580.926
2018	2322690607335.1343
2019	2355265962529.1553
2020	2145095527023.8994