Year	current US$
1960	139000000
1961	539000000
1962	416000000
1963	375000000
1964	387000000
1965	435019990.215078
1966	632430005.49823
1967	510899994.263425
1968	567499990.561977
1969	442000000
1970	426000000
1971	355000000
1972	292000000
1973	308000000
1974	301000000
1975	266000000
1976	277000000
1977	200000000
1978	236000000
1979	285000000
1980	354000000
1981	418000000
1982	644000000
1983	962000000
1984	1110000000
1985	1420000000
1986	1317000000
1987	1401000000
1988	1186000000
1989	1196000000
1990	1258000000
1991	1296000000
1992	661000000
1993	740000000
1994	1349000000
1995	946000000
1996	1914000000
1997	916000000
1998	1094280009.4299
1999	1238109993.24545
2000	1260439988.8794901
2001	1370519984.6774302
2002	1179820004.98101
2003	1745049978.24319
2004	1754810007.5796201
2005	1518610002.4897602
2006	1867259998.89523
2007	1343260007.07038
2008	1802040016.40342
2009	1949790011.00734
2010	2272680027.55009
2011	2292089984.82302
2012	1840550006.46226
2013	1656580019.93038
2014	1659760010.14188
2015	1869529973.99122
2016	1772879994.01242
2017	1943439985.67946
2018	1972749991.02019
2019	1993409992.34281
2020	1989290021.39345
2021	2577349985.25493
2022	1970990003.2673042