Year	current US$
1982	-108789514.796805
1983	-68081931.4356795
1984	-34100782.0091498
1985	-102015356.277926
1986	-131178196.209451
1987	-305596700.130599
1988	-222786598.058932
1989	-108614770.830963
1990	-130059165.17079
1991	-10970856.0328866
1992	155450582.531514
1993	274992730.069844
1994	524115508.15933
1995	521436833.701027
1996	930428275.41855
1997	1116165682.45491
1998	834069279.764214
1999	678091742.702032
2000	499447597.55349
2001	489862016.999068
2002	647151603.125338
2003	764884613.624821
2004	1157445815.95756
2005	1346746552.15138
2006	1092458092.6835
2007	1151369562.30878
2008	2059584686.79858
2009	2114425391.85402
2010	2069441175.47916
2011	1072409325.11102
2012	768769284.382719
2013	2309315074.57318
2014	4006789056.09225
2015	1792517170.27419
2016	4157667855.37029
2017	4628650848.02844
2018	3249338647.82729
2019	3061681674.71798
2020	2514557911.86689
2021	1535701991.56004