Year	current US$
1970	746860002.6480851
1971	722020001.0575347
1972	676219995.7706032
1973	626669999.491423
1974	806019993.4337285
1975	1049100002.1584332
1976	993250009.6224245
1977	959509991.8507044
1978	1159910001.734272
1979	1370559995.7611413
1980	1425930004.4458356
1981	1611809989.9254742
1982	1556610007.5487046
1983	1419600008.5528936
1984	1563219995.5563984
1985	1579429996.4606771
1986	1974300008.0101194
1987	2015280002.6386971
1988	2909830001.5330324
1989	2949610006.403178
1990	3135709987.856449
1991	2825730007.5981774
1992	3298849973.3470373
1993	2670069997.2417207
1994	2703209988.046438
1995	2575679997.9172645
1996	2572369982.574136
1997	1976570000.443608
1998	2201890012.2195477
1999	2058369999.0306053
2000	2157049983.6653476
2001	2826600029.531866
2002	2705709993.494674
2003	2906040022.196248
2004	3034229986.621069
2005	10304699875.086555
2006	15805650011.260069
2007	6732010014.615955
2008	5123260014.869273
2009	5753949986.282736
2010	8259389973.210177
2011	7987319980.580361
2012	7144170008.85867
2013	7777659936.962651
2014	7253830001.646653
2015	6745609957.600014
2016	7035429970.638827
2017	7592440014.615656
2018	7315200020.674617
2019	7177069981.4185505
2020	7490199972.551318
2021	7963580024.180934
2022	6186570009.447637