Year	current US$
1960	27411346357.59591
1961	13911749501.02996
1962	7494518867.468422
1963	10626856283.089775
1964	17729134835.285904
1965	26261246607.055687
1966	29420526300.028656
1967	24109433628.659042
1968	23513210029.936584
1969	30242451613.880096
1970	37006069038.91644
1971	41376904125.662796
1972	45514764720.727585
1973	59418001852.13806
1974	68700252481.88492
1975	77731818144.9354
1976	73647879994.49716
1977	90145228859.54218
1978	92592271006.92542
1979	109633540185.12546
1980	120936188989.5181
1981	118199055555.24329
1982	119841394283.83893
1983	134769200015.49384
1984	150125918921.78418
1985	165359462711.63153
1986	172369046626.6363
1987	189101586110.16858
1988	204197383037.65222
1989	202478550103.51324
1990	213392051049.14728
1991	240377047417.6031
1992	280806387598.89886
1993	326205168531.2815
1994	397022394297.6343
1995	484706054905.0519
1996	549858305013.2903
1997	576683135902.0492
1998	528461426297.54724
1999	542237573777.4617
2000	606122016527.0591
2001	658145593091.2761
2002	733421954634.4243
2003	878974740167.3855
2004	1082404604690.5754
2005	1285863917867.3828
2006	1608125992154.3914
2007	2099303722490.8262
2008	2742800295092.9272
2009	2969307687567.5015
2010	3711320389065.995
2011	4463893921598.377
2012	4880671648754.049
2013	5335412099223.183
2014	5693591313513.258
2015	5762153574158.319
2016	5765686028910.136
2017	6350271404862.313
2018	7086832640921.191
2019	7158982863879.852
2020	7332772465122.955
2021	9081985381147.256
2022	9322429450773.805