Year	current US$
1970	4920000.07629395
1971	6360000.1335144
1972	4059999.94277954
1973	1110000.01430511
1975	1059999.9427795399
1976	67110000.6103516
1977	37299999.237060495
1978	6550000.19073486
1979	104629997.253418
1980	-2049999.9523162802
1981	23459999.084472697
1982	11060000.4196167
1983	27750000
1984	17350000.3814697
1985	4260000.228881841
1986	72660003.6621094
1987	8560000.4196167
1988	-1169999.95708466
1989	-18079999.9237061
1990	327420002.5796895
1991	650079994.2016609
1992	673399996.7575073
1993	412780001.1634832
1994	949059994.1015244
1995	1271770021.9154363
1996	1007200013.4885325
1997	1128470003.6048894
1998	1393779990.911485
1999	1844209970.9510796
2000	2503369985.103606
2001	2476749978.3039107
2002	1517409993.4101114
2003	2315539961.457253
2004	3471210017.2042894
2005	1196570012.3310084
2006	1419159987.6880643
2007	1421710018.3963783
2008	1715479994.7738657
2009	2338490026.235579
2010	1824370002.7465818
2011	5524719925.403605
2012	5312310111.5226755
2013	4726999976.634979
2014	4845780030.250554
2015	3375480026.721952
2016	4544629884.719849
2017	3461739907.503129
2018	2546779985.904693
2019	1836979981.422423
2020	3926199986.696244
2021	4501030001.521112
2022	12131550187.468527