Year	current US$
1962	571833215.5729408
1963	797912209.9714656
1964	1036166736.0481858
1965	1479734600.2270615
1966	1864022561.0238118
1967	2281835298.6530633
1968	3149514505.3102317
1969	3881187489.270231
1970	4176914648.5160265
1971	4333591868.984256
1972	5737191960.128061
1973	7309682152.291096
1974	12534686727.698269
1975	15891388952.147488
1976	20436463069.443134
1977	20686812580.389748
1978	22392676413.403854
1979	28452261037.895603
1980	35462939003.40772
1981	34318736245.11989
1982	35293276077.61619
1983	32152733454.90409
1984	28873352218.311974
1985	31657845364.062702
1986	27081949755.347176
1987	25744311716.853405
1988	27853017864.295254
1989	29115269786.5037
1990	28699077419.523678
1991	33013469277.002758
1992	33960356750.342037
1993	32207603730.609825
1994	31855450416.741188
1995	29685590379.56937
1996	29424196888.98786
1997	29435440959.10517
1998	28287834380.74584
1999	26059024507.843033
2000	31461429743.895058
2001	33128016215.986107
2002	28599005840.918076
2003	29023064162.058163
2004	29534923468.90219
2005	39606370219.07437
2006	51065823936.61092
2007	64096910964.22547
2008	74975227253.69978
2009	70915910744.43105
2010	75024487969.36143
2011	38569182475.64135
2012	82273689222.69362
2013	75380339994.75783
2014	58659143518.22733
2015	54685569670.0762
2016	50882228980.80598
2017	65749285234.73555
2018	75365455597.07578
2019	73812520514.16524
2020	37727834708.09578
2021	75567253218.36957
2022	70105558092.75533
2023	52179335213.60543