Year	current US$
1960	15953203852.683083
1961	17354781170.861324
1962	18821353528.99362
1963	20371666154.376118
1964	22718426804.352917
1965	25000191834.464943
1966	27194141951.330715
1967	29517675437.388924
1968	31323283317.2145
1969	34016617941.588882
1970	38092452060.620125
1971	41566412922.60872
1972	48954145808.83588
1973	59404966684.22137
1974	66013338964.72496
1975	82885397620.53851
1976	89362071672.90341
1977	94468740851.48161
1978	104442351222.7509
1979	123386410160.71469
1980	142092068280.6885
1981	129686938223.3282
1982	114380557730.87575
1983	105014356666.7971
1984	109201362581.30031
1985	114123537581.79431
1986	150498057723.62286
1987	183009638350.8927
1988	206986674500.58752
1989	217948315624.56372
1990	261846194498.88492
1991	274229034311.69904
1992	284321115594.6289
1993	212953336588.12344
1994	229033566614.82632
1995	267305875261.09933
1996	291743811512.07874
1997	268146144677.7299
1998	270809066780.7142
1999	274072182416.73123
2000	262835454366.8551
2001	242395852494.409
2002	266849061835.6595
2003	334337212322.0756
2004	385118044877.46466
2005	392218088878.77856
2006	423093437423.7619
2007	491252589217.02075
2008	517706149201.19556
2009	436537014293.5535
2010	495812558843.31036
2011	574094112972.7327
2012	552483727282.8025
2013	586841821796.8911
2014	581964017237.0946
2015	505103781349.7569
2016	515654671469.54694
2017	541018749769.0971
2018	555455371487.0894
2019	533879529188.45374
2020	547054174235.87585
2021	639714956069.4681
2022	590409594949.1022
2023	593267701033.4082