Year	current US$
1970	69520026.66666667
1971	88466738.24972685
1972	106101297.80127242
1973	140153748.2436565
1974	169918948.62918177
1975	211190630.32960913
1976	240779417.7856998
1977	282269749.16011345
1978	355987433.4156901
1979	420645821.5404875
1980	476051740.7737695
1981	435748993.4184214
1982	402403041.0292685
1983	416184071.0194169
1984	379371901.49037445
1985	412876382.82917434
1986	603016292.6869783
1987	787390408.9532692
1988	898607670.6244127
1989	929799902.191124
1990	1018977280.3292787
1991	1016500069.2570795
1992	1037916162.5497649
1993	927214151.7679299
1994	1005887539.3204867
1995	1208953287.0659847
1996	1197515569.0820243
1997	1072154433.8453763
1998	1149858069.7576582
1999	1131555107.0490694
2000	1068025016.0086223
2001	1086170703.9815965
2002	1169136716.0355651
2003	1558759823.081686
2004	1822499769.2393847
2005	1849802648.3639076
2006	2013106929.500311
2007	2249811295.6608014
2008	2499092314.4187546
2009	2529963903.2268476
2010	2503167187.4930544
2011	2684461375.465847
2012	2609678486.367488
2013	2684946990.1244802
2014	2842065708.3596215
2015	2499113022.8167543
2016	2707139544.4669547
2017	2851613679.0343266
2018	3055782146.15957
2019	2997309971.8762293
2020	3082884653.245599
2021	3235809504.298714