Year	current US$
1965	4262916343.213894
1966	4622476351.736815
1967	4998620939.227913
1968	5598584013.147824
1969	6490879429.938661
1970	7772058426.391224
1971	8982422783.119429
1972	10633907542.834223
1973	15014553065.6116
1974	28575901765.360313
1975	43447340303.32625
1976	45484062866.23192
1977	56453032306.353294
1978	52382167744.808174
1979	59894466979.377975
1980	84943343258.04199
1981	95976177954.9974
1982	97668741120.8767
1983	92689284316.66986
1984	84508382946.82474
1985	83861876746.45045
1986	74391841793.28432
1987	65392244807.54298
1988	75993932939.93057
1989	84881502553.95718
1990	96246552880.11345
1991	78310860395.56482
1992	83317530102.2802
1993	90765943307.61333
1994	85436259126.98201
1995	92685456326.05254
1996	97733993155.13812
1997	106212686394.17593
1998	111814115806.42087
1999	122379497633.15654
2000	131650026434.26157
2001	137675151867.54645
2002	138152655049.60043
2003	158331881734.90027
2004	202316360208.1142
2005	235771811871.1459
2006	255333109148.4414
2007	314076582913.7982
2008	414075811896.1558
2009	395029711755.58154
2010	418640854940.7883
2011	445073586957.8278
2012	519579441165.9472
2013	500225221487.8815
2014	498247398781.7936
2015	429336106260.4394
2016	405202520824.48254
2017	443165281581.11316
2018	456596113859.40375
2019	457468328771.24896
2020	366631479271.1783
2021	434177762273.8214
2022	529487619165.55835
2023	508203726255.6569