Year	current US$
1960	632672494.3481537
1961	589865537.3134328
1962	605740502.242506
1963	579510844.4444444
1964	714265144.4444444
1965	699047619.0476191
1966	541851851.8518518
1967	653146477.1450433
1968	701707004.1800426
1969	808812068.0995514
1970	955259648.0194317
1971	935820962.9113092
1972	1149373247.906634
1973	1539558029.3317835
1974	1798616360.4062667
1975	2071845444.9923208
1976	2615131863.3808904
1977	3283905564.227094
1978	3867783604.0414376
1979	4251544715.064997
1980	5416924889.431303
1981	4312469259.963443
1982	4252517718.4337244
1983	4050952667.7868304
1984	4546303965.085427
1985	4818143265.794224
1986	6582202894.253499
1987	6165155372.87305
1988	6386221631.408953
1989	7118228010.9586115
1990	9024672480.388643
1991	9478146064.952303
1992	9645918068.373419
1993	10093756778.14121
1994	12254486171.268179
1995	13443126537.0059
1996	14766792154.32812
1997	15829469959.008144
1998	14780193358.852425
1999	15829235073.019457
2000	15895257719.354485
2001	15110265985.539948
2002	14511230142.032232
2003	15687687299.894434
2004	19637278136.38972
2005	24709929563.85356
2006	28683606693.82605
2007	33889993566.970108
2008	43916519836.39822
2009	38181805547.39982
2010	46816280695.47222
2011	64569763969.558395
2012	69731471881.48918
2013	69107146201.36497
2014	63418461300.131676
2015	45932176699.465836
2016	41608310926.58387
2017	47233141871.791954
2018	53136579844.97006
2019	51258795210.35443
2020	36557247848.53891
2021	51591453811.29735
2022	69868522988.36864
2023	64566020932.36707