Year	current US$
1960	13144713.249715066
1961	13794714.940939758
1962	14498959.01242876
1963	15132667.027361045
1964	16052360.444414083
1965	15495564.918041024
1966	20223631.52264419
1967	24196360.08646538
1968	28940108.619549844
1969	29941912.6893826
1970	31755381.664791588
1971	42038391.78938977
1972	54281159.585315235
1973	80750424.28189029
1974	97280702.65807377
1975	97835317.53544247
1976	91770022.94250573
1977	102083234.35792674
1978	108856170.99173224
1979	118649287.67482978
1980	134774357.48978737
1981	132837280.00879607
1982	104257614.88489902
1983	93442948.74950543
1984	85530121.15932786
1985	66016071.970132984
1986	73623947.92522553
1987	122726170.84221542
1988	148940056.48073813
1989	144846904.48988178
1990	171569918.5042887
1991	172575593.96049678
1992	192096789.8659778
1993	188087450.86305624
1994	159983908.4869694
1995	219391986.24056575
1996	178930430.4167292
1997	177853232.32431138
1998	151708046.60804376
1999	164021455.77962092
2000	161766435.37574974
2001	142196808.87488872
2002	131925954.58257794
2003	204494333.21885288
2004	202401627.99122077
2005	181355365.7630895
2006	172487727.9042245
2007	203597950.73955822
2008	229647284.2997467
2009	240412992.50245488
2010	264250558.42793798
2011	320182903.97533983
2012	321931529.5742112
2013	284513284.3460126
2014	281493475.49482334
2015	263547172.31487596
2016	298015953.9014112
2017	296655996.37088174
2018	360619177.98818135
2019	348472503.4253399
2020	330332686.7571408
2021	335364433.65889025
2022	321031468.8367707
2023	306702782.4808968