Year	current US$
1960	885519991.159439
1961	1068950007.3194499
1962	978030003.219843
1963	862160000.20504
1964	784469999.790192
1965	624239994.581789
1966	582559992.790222
1967	441579997.003078
1968	421750002.61329097
1969	466489996.204153
1970	896840005.874634
1971	879450014.591217
1972	982050004.005432
1973	2104389977.98041
1974	3392970036.0298204
1975	5174799900.29335
1976	5052499912.7388
1977	5920189859.39026
1978	6244309967.04102
1979	6775279912.71019
1980	7731629959.58328
1981	7414129949.27168
1982	6009200023.770329
1983	4753039959.90753
1984	4593689984.7984295
1985	4942089989.185329
1986	4514709959.030149
1987	5048630068.77899
1988	3907240048.40851
1989	3996959957.1228
1990	11725540134.429901
1991	11248909871.101398
1992	7077589920.28236
1993	5676859936.7141695
1994	6934940009.35555
1995	5498919887.54272
1996	5799829890.728
1997	5431319965.83939
1998	5441200032.23419
1999	5223479983.32977
2000	4654609943.38989
2001	4889160022.7356
2002	4667709945.67871
2003	8187969886.77979
2004	10622189842.2241
2005	28220239894.8669
2006	17103330251.6937
2007	17863159801.4832
2008	24086919784.5459
2009	12927940185.5469
2010	12295320113.6589
2011	15597039665.2222
2012	13656700172.4243
2013	25861389801.025402
2014	32511739837.6465
2015	19311190261.840797
2016	26467300262.451202
2017	28087300094.6045
2018	32125710205.0781
2019	27683040229.7974
2020	28146170135.498
2021	34622419754.0283
2022	29572460044.8608