Year	current US$
1963	20652310.79209167
1964	22919027.83024808
1965	22919027.83024808
1966	23024660.291897334
1967	24866343.404202413
1968	24275735.71510363
1969	22987191.216834404
1970	27169551.759715695
1971	24669706.535718463
1972	32719975.1812929
1973	39787264.04641511
1974	59582623.72083555
1975	73003091.68093269
1976	74633931.70438279
1977	75645273.80537146
1978	83611743.90714845
1979	117859198.34207405
1980	131545970.79337135
1981	117127120.95452167
1982	116745258.99003592
1983	92862480.58051956
1984	103889074.14300981
1985	96509569.556345
1986	120604731.71584283
1987	126486303.0989068
1988	95940732.37136237
1989	133328794.00647056
1990	159365943.0565572
1991	170567473.4574988
1992	179021897.0040406
1993	205745844.88657555
1994	233309792.53820542
1995	235087991.25100526
1996	243925033.848785
1997	263979081.1643895
1998	213406670.06573832
1999	223545091.0706353
2000	205971460.4498209
2001	226240148.15055585
2002	237427408.6606612
2003	269719712.53866506
2004	345465089.440277
2005	364062065.7273664
2006	392474179.75970423
2007	409104949.3883127
2008	428267051.5153417
2009	353170373.7792095
2010	386568215.21295965
2011	450682400.423478
2012	459256670.650145
2013	484630163.7218385
2014	517481488.5460793
2015	491480575.69733465
2016	538961596.3366523
2017	559230432.416087
2018	579775028.9837021
2019	564940175.2366352
2020	490439527.75837386
2021	490891384.4220584
2022	498250618.8087891
2023	507047862.1767191