Year	current US$
1960	26781798590.71104
1961	26334420940.13065
1962	25285912938.054413
1963	26869352212.065674
1964	30411002968.569622
1965	31973123963.784336
1966	34346305036.76142
1967	34882011825.243835
1968	36015567389.672615
1969	38416605215.65079
1970	43602246928.160545
1971	48555391894.46893
1972	54321739765.69363
1973	74716707139.96892
1974	121839103767.63565
1975	146737624999.17886
1976	146183666731.28958
1977	166556433487.95862
1978	193207746338.12866
1979	223345613324.74695
1980	316404259296.5465
1981	356703759774.76044
1982	318482084052.5821
1983	296568757718.064
1984	298544635584.19806
1985	295058472349.1095
1986	292235489397.8138
1987	318703844813.08966
1988	379194084486.14417
1989	418858851876.7339
1990	455631484126.49475
1991	494466927828.7887
1992	559893218397.5774
1993	620432457548.4512
1994	702783924896.9818
1995	846321711037.0172
1996	919665466939.5676
1997	988354684243.3112
1998	932762278232.9623
1999	960560497062.5623
2000	1147014177312.2983
2001	1138023600373.936
2002	1212727029851.5818
2003	1456533938747.4646
2004	1889099010592.0303
2005	2256600130988.316
2006	2653864237400.039
2007	3195774110917.5947
2008	3952407642216.3765
2009	3202018245063.1426
2010	4206532177278.0796
2011	5206329187743.202
2012	5448050633682.863
2013	5662515747633.315
2014	5652091821556.926
2015	4924845103581.558
2016	4640255487127.013
2017	5326925855288.969
2018	6009355302939.9375
2019	5863018492614.114
2020	5326847690875.013
2021	7027951857069.073
2022	7927065085497.366
2023	7485448171946.865