Year	current US$
1960	27435627523.063896
1961	13921913987.575546
1962	7498093393.933754
1963	10633486934.123116
1964	17742775034.724022
1965	26283285045.408592
1966	29445393476.87993
1967	24128691254.66136
1968	23531734919.402893
1969	30267452327.40831
1970	37037559837.21217
1971	41412068217.56273
1972	45553491654.36661
1973	59472254129.47887
1974	68757598788.82208
1975	77797573463.86429
1976	73707748048.13867
1977	90227434947.45721
1978	92672061770.94205
1979	109734106847.66843
1980	121052091466.58286
1981	118308167572.63367
1982	119951020872.17407
1983	134899325110.55481
1984	150274796485.34045
1985	165532139707.00153
1986	172543712006.1748
1987	189285380393.4729
1988	204391833698.48413
1989	202660283803.31036
1990	213579104386.25946
1991	240596946352.28656
1992	281087848814.87134
1993	326564992004.0375
1994	397482938104.34595
1995	485287586543.4448
1996	550528656188.635
1997	577385008618.9749
1998	529090922496.3104
1999	542912505724.68994
2000	606887340767.4082
2001	658980087463.1389
2002	734368884591.1111
2003	880128684460.0654
2004	1083822927614.6677
2005	1287549038305.983
2006	1610225286855.0544
2007	2102029432052.6465
2008	2746325202753.6113
2009	2973113820083.636
2010	3716052977854.816
2011	4469554484010.721
2012	4886819214445.353
2013	5342143167437.34
2014	5700758984442.008
2015	5769390988896.251
2016	5772914510735.758
2017	6358242550003.7295
2018	7095726906782.795
2019	7167984385242.635
2020	7342026957770.877
2021	9093418018150.865
2022	9334166366590.982