Year	current US$
1960	253559997.55859402
1961	252740005.493164
1962	379790008.544922
1963	485779998.779297
1964	510320007.324219
1965	498859985.35156304
1966	375859985.35156304
1967	485019989.013672
1968	390660003.66210896
1969	327910003.66210896
1970	420829986.57226604
1971	426040008.544922
1972	304730010.986328
1973	282350006.10351604
1974	468519989.013672
1975	731070007.324219
1976	1008239990.23438
1977	593270019.53125
1978	631669982.910156
1979	702380004.882813
1980	1160219970.70313
1981	802309997.558594
1982	869419982.910156
1983	662840026.855469
1984	624659973.144531
1985	668070007.324219
1986	808070007.324219
1987	667159973.144531
1988	1164949951.17188
1989	1193520019.53125
1990	908590026.855469
1991	1143030029.29688
1992	846729980.46875
1993	826059997.558594
1994	1187180053.71094
1995	500640014.64843804
1996	687250000
1997	682229980.46875
1998	825549987.792969
1999	613630004.882813
2000	549619995.117188
2001	1785150024.41406
2002	1951550048.82813
2003	1043199951.17188
2004	1327510009.76563
2005	1476699951.17188
2006	2059510009.76563
2007	1111500000
2008	1068930053.71094
2009	1385479980.46875
2010	2933209960.9375
2011	3714360107.42188
2012	2017400024.41406
2013	2194469970.70313
2014	3615820068.35938
2015	3764020019.53125
2016	2961090087.89063
2017	2364290039.0625
2018	1386939941.40625
2019	2009300048.82813
2020	2591929931.64063
2021	2922810058.59375
2022	1841030029.29688