Year	constant 2015 US$
1960	9870023620.600046
1961	10916704518.932495
1962	10052658675.48071
1963	11844922132.491102
1964	12748021584.882248
1965	17505184224.066822
1966	17569506039.430237
1967	21282636779.304817
1968	24173707466.10345
1969	26090502922.570778
1970	30061164866.194374
1971	35321734322.90524
1972	41404318516.42012
1973	47316555194.28708
1974	56852057840.974304
1975	77555765720.51569
1976	109589979200.3415
1977	93490998188.73865
1978	86955911415.2236
1979	61270369463.17732
1980	62789752196.17694
1981	55437537086.55275
1982	60371075098.41818
1983	82894745552.07344
1984	73974501364.34268
1985	62073698205.42062
1986	58407025056.675064
1987	56096083768.790504
1988	42342877757.318085
1989	45432161679.50325
1990	47548526129.012276
1991	72495307403.86472
1992	69071252087.7385
1993	59468512562.49065
1994	52384197084.94765
1995	48895178099.82437
1996	61396696741.13248
1997	65912454553.778946
1998	66939764082.515785
1999	70360404619.95065
2000	76302120366.9626
2001	95073644523.96362
2002	101419857545.59006
2003	107881834258.64539
2004	116402373259.28423
2005	121063016297.06453
2006	119060662912.78365
2007	136521790824.40654
2008	152719708220.05054
2009	154739684052.03485
2010	159839560812.23322
2011	167228135155.965
2012	127204130072.7099
2013	112491279031.37857
2014	120569562649.77107
2015	103543263379.0912
2016	101802866276.68428
2017	101246678363.95378
2018	85201381653.05814
2019	79633384552.81322
2020	82204601922.23633
2021	82204477240.37906
2022	87681306864.13565
2023	92903786649.19823