Year	current US$
1965	109250000
1966	114790000.915527
1967	142819992.06543
1968	147059997.55859402
1969	158149993.89648402
1970	190029998.779297
1971	190929992.67578098
1972	253489990.234375
1973	262850006.103516
1974	389970001.220703
1975	436200012.207031
1976	317869995.11718804
1977	348750000
1978	419450012.207031
1979	467059997.558594
1980	487619995.11718804
1981	547489990.234375
1982	564850036.621094
1983	534000000
1984	608020019.53125
1985	534900024.414063
1986	512970031.738281
1987	534940002.441406
1988	622340026.855469
1989	705979980.46875
1990	758479980.46875
1991	725880004.882813
1992	741270019.53125
1993	716500000
1994	824690002.441406
1995	928940002.441406
1996	859150024.414063
1997	775710021.972656
1998	751570007.324219
1999	731880004.882813
2000	759650024.414063
2001	661859985.351563
2002	777289978.027344
2003	976420043.945313
2004	1195229980.46875
2005	1449000000
2006	1795989990.23438
2007	2268050048.82813
2008	2653020019.53125
2009	2311800048.82813
2010	3285919921.875
2011	4300229980.46875
2012	4527299804.6875
2013	4143580078.125
2014	3496739990.23438
2015	2752020019.53125
2016	2290350097.65625
2017	2412229980.46875
2018	2550120117.1875
2019	2228150146.48438
2020	2318969970.70313
2021	3068550048.82813
2022	1916439997.8965514