Year	current US$
1970	7390000.10490418
1971	13600000.161677595
1972	18470000.02861023
1973	5420000.035315752
1974	4999999.880790699
1975	3279999.9713897696
1976	68850000.57518487
1977	41219999.34129411
1978	20310000.460594878
1979	105649997.25110832
1980	-2049999.9523162802
1981	23459999.084472697
1982	11060000.4196167
1983	28449999.98807907
1984	20010000.46730039
1985	7810000.225901609
1986	80040003.9404631
1987	18570000.35047531
1988	18220000.50544738
1989	12289999.961852968
1990	343630004.1452055
1991	1125499992.3892324
1992	274089995.3842164
1993	311279999.2561343
1994	595709995.2697756
1995	266999999.82863665
1996	657750013.172627
1997	711360015.7052286
1998	1355709985.274822
1999	1626549982.3186548
2000	1935869984.6863742
2001	1738979982.3761
2002	1230180000.6628036
2003	1959679977.893829
2004	2640960004.031664
2005	479230010.0326537
2006	490069999.21798754
2007	648920023.9181521
2008	525690006.7329412
2009	856470011.2342833
2010	376699993.61038166
2011	3018719914.078717
2012	2980070078.3729553
2013	2446319944.858551
2014	2863860032.081609
2015	1878170025.348661
2016	2894239897.727967
2017	1713559942.2454834
2018	566189987.1826172
2019	107049998.5218044
2020	134819991.5885926
2021	787859988.6894226
2022	120640004.39643857