Year	current US$
1970	193633193.8633194
1971	13929328.621908128
1972	28428465.53002224
1973	308111201.96238756
1974	272186266.77190214
1975	-941458823.5294118
1976	-186306366.04774538
1977	326354112.1005762
1978	359032846.71532845
1979	471565573.77049184
1980	861918301.9623548
1981	725143322.4755701
1982	557174571.1402624
1983	-208626492.94245386
1984	-256984387.83894825
1985	-240917755.03000355
1986	11124514.140195686
1987	544930980.5037712
1988	1139254874.6518106
1989	682165775.4010695
1990	792072844.8882015
1991	498808103.2329679
1992	895706860.7068607
1993	-8906620.12217928
1994	485682367.14975846
1995	1077095661.4037416
1996	716853392.2537042
1997	616656375.0714694
1998	1200468610.8637578
1999	1831348183.2444055
2000	917515782.5835314
2001	943528690.322442
2002	63656968.77372561
2003	-1066927449.288233
2004	758014169.3003881
2005	457704543.4770426
2006	820036614.0423518
2007	1419561710.1902006
2008	1915714886.754687
2009	-878572052.7566401
2010	1314811321.3666692
2011	435059790.1653705
2012	-264382528.10976568
2013	-270508425.9913733
2014	655272383.8564683
2015	674156675.037109
2016	700318782.1412468
2017	980059423.3717664
2018	1860830021.098038
2019	927151027.9686259
2020	-202537640.62723792
2021	1096116409.7674243
2022	1454105371.1109006
2023	581663051.794128