Year	current US$
1970	6714669055.885317
1971	8003462204.270051
1972	9527224112.78561
1973	13006817865.590649
1974	15784611141.753998
1975	13885249604.69844
1976	13963367108.339828
1977	15717389157.697247
1978	18475125418.0602
1979	20903536011.21907
1980	23401852924.14592
1981	24907168428.94014
1982	25064093226.51129
1983	24768664563.617245
1984	22462407964.326454
1985	25478260869.565216
1986	30450992817.91297
1987	39434849891.67441
1988	43694041867.95491
1989	43853346747.94342
1990	45102492081.515564
1991	41179945982.4443
1992	40323798383.66652
1993	45004148000.66368
1994	53638195250.01526
1995	62721174282.678
1996	69031497155.54321
1997	65153501859.673454
1998	55475025001.315865
1999	58468005604.857544
2000	51058709875.730034
2001	51917796752.05089
2002	64604465473.90211
2003	86692317088.06645
2004	103606050420.16806
2005	116383158487.64346
2006	111968743920.62772
2007	137023590798.85353
2008	133465945034.0901
2009	118555187706.91486
2010	143153305559.6152
2011	165688282253.4681
2012	174984898424.88794
2013	187835412670.27417
2014	199704947045.32312
2015	176293868442.61578
2016	187353509336.76752
2017	204534102280.19635
2018	211912979801.76605
2019	212344231244.3383
2020	213812923203.29892
2021	263472909888.24445
2022	259198148598.24002