Year	current US$
1960	38867734782.40721
1961	40074749917.29672
1962	41177205123.6334
1963	45191263399.06277
1964	47646649144.14484
1965	50393958192.74909
1966	53090716166.66596
1967	55063608852.08505
1968	58850825512.934494
1969	63962057489.026566
1970	70235284059.43019
1971	77396212363.26706
1972	90179514713.33725
1973	134738853951.1466
1974	226440307746.2766
1975	223398797841.0583
1976	255049135704.4168
1977	285411168682.11383
1978	305048643400.6598
1979	417127443715.18945
1980	518920687617.4873
1981	492636965356.5479
1982	479724033911.5032
1983	485924852980.6151
1984	506137659049.31104
1985	491481680787.48285
1986	450603582575.52124
1987	540287854750.02606
1988	615762021033.0453
1989	670649466915.3259
1990	716908626379.8983
1991	699084402305.014
1992	1002983159904.4382
1993	914305156963.1135
1994	984827602583.7532
1995	1151653458445.04
1996	1239857324256.5022
1997	1342846933730.2637
1998	1296769936436.8826
1999	1363910434966.804
2000	1636336942915.5867
2001	1608061967957.9636
2002	1750271685455.8804
2003	2080245699576.0422
2004	2664023000981.318
2005	3277363959527.0186
2006	3984132391668.7964
2007	4809914531190.438
2008	5796425053906.349
2009	4665249643177.574
2010	5954932979696.043
2011	7173107385368.072
2012	7449616486437.607
2013	7658788802935.937
2014	7677726054799.963
2015	6775455395091.649
2016	6527714467733.576
2017	7374221692859.175
2018	8191689567356.73
2019	8093517689191.168
2020	7467701107758.142
2021	9736060587752.438
2022	10947675480893.643
2023	10529042189760.656