Year	current US$
1970	-63115481.36290876
1971	-45029391.13186096
1972	221037101.03945747
1973	178286147.62386248
1974	-321543315.54391974
1975	3380381590.671367
1976	3989277484.3975034
1977	3744103598.918244
1978	4976046979.865771
1979	1513467252.0599024
1980	-2747267410.6343617
1981	577611241.2177986
1982	641748017.5343546
1983	-1159673669.667953
1984	3068976890.666894
1985	2823849660.1684914
1986	1304469397.9654233
1987	2579710971.0300426
1988	2715968017.4947143
1989	2503159117.305459
1990	551666426.7204146
1991	3789785216.1785216
1992	7226994737.590671
1993	10772714537.087168
1994	11976138773.12276
1995	13362751797.040169
1996	11233942556.634304
1997	13321429063.598152
1998	11451783694.302662
1999	11155414059.379578
2000	13789333846.518238
2001	12510924389.665798
2002	16508751443.603233
2003	18487339422.291527
2004	28608649778.850018
2005	22784712495.98458
2006	30796138140.054234
2007	47963875374.875046
2008	53780599205.98283
2009	34601471372.11653
2010	57550378833.92188
2011	52571775339.73845
2012	62470319393.24275
2013	73750128765.09834
2014	76003969221.51233
2015	73017271797.77753
2016	69267821492.2348
2017	63090678131.05624
2018	76386915957.93639
2019	70717077809.3633
2020	47526073441.563614
2021	100203417972.57928
2022	112138203297.43698
2023	110058404656.7018