Year	current US$
1970	-3137628921.0709176
1971	-4308221156.527073
1972	-4876427037.968472
1973	-3954584705.4518843
1974	-2132774544.6300356
1975	-8269988075.363701
1976	-11573489203.044895
1977	-12874959151.014908
1978	-14121548198.636806
1979	-31510971080.994556
1980	-43823830428.23327
1981	-31326091735.179577
1982	-20562553397.275734
1983	-23064731520.49023
1984	-20241612947.56374
1985	-14924245947.382406
1986	-3874830226.065027
1987	-4198360174.102285
1988	-4853122842.18736
1989	-8627127847.70623
1990	-3400093209.054594
1991	-9112551561.579258
1992	-10688791484.03256
1993	1038684490.7133561
1994	3606122694.949982
1995	10519994540.739729
1996	17841174941.512867
1997	23842770133.092712
1998	27513615649.660995
1999	12129601753.28188
2000	3299144025.0980463
2001	31649756244.881927
2002	88341170877.64722
2003	94414564452.15666
2004	146361278278.37875
2005	148049230592.99603
2006	162195744825.8821
2007	231949296703.138
2008	227471453063.2812
2009	170941744060.15613
2010	178901487016.66702
2011	184022052256.8097
2012	215162274090.23444
2013	215010357486.66727
2014	257397026960.78342
2015	255017099858.59363
2016	255966917231.90726
2017	261639808876.47104
2018	242355484501.9606
2019	230891617647.05844
2020	225744781168.87222
2021	230951334868.21335
2022	80323390970.81743
2023	185460276249.0229