Year	constant 2021 US$
1960	125949996.94824201
1961	250179992.67578098
1962	121709999.084473
1963	256320007.324219
1964	319730010.986328
1965	370779998.779297
1966	336980010.986328
1967	268100006.103516
1968	185179992.67578098
1969	168229995.727539
1970	177809997.55859402
1971	262350006.103516
1972	301290008.544922
1973	271359985.35156304
1974	218350006.10351598
1975	264500000
1976	269709991.455078
1977	293630004.88281304
1978	230850006.10351598
1979	270950012.207031
1980	72260002.1362305
1981	58990001.6784668
1982	27059999.4659424
1983	39950000.762939505
1984	19729999.5422363
1985	45889999.3896484
1986	6429999.82833862
1987	93459999.0844727
1988	137610000.61035198
1989	273100006.10351604
1990	209800003.05175802
1991	804239990.234375
1992	323019989.013672
1993	359290008.544922
1994	355489990.234375
1995	292700012.207031
1996	236380004.882813
1997	357220001.220703
1998	256950012.207031
1999	225970001.220703
2000	233360000.61035198
2001	737489990.234375
2002	1932219970.70313
2003	2119750000
2004	2882780029.29688
2005	3558129882.8125
2006	3536939941.40625
2007	5140459960.9375
2008	5124450195.3125
2009	6568600097.65625
2010	6882540039.0625
2011	7099149902.34375
2012	6966729980.46875
2013	5354040039.0625
2014	5175979980.46875
2015	4815140136.71875
2016	4610850097.65625
2017	4248819824.21875
2018	4073770019.53125
2019	4509450195.3125
2020	4480430175.78125
2021	4690520019.53125
2022	3959649902.34375