Year	current US$
1986	1140174376.1269057
1987	1183845576.0166433
1988	1354794694.632615
1989	1476144990.714453
1990	1733844769.1454856
1991	1970386619.945123
1992	2153515027.1548877
1993	2274960209.24645
1994	2289599264.736101
1995	2455316044.3317432
1996	2391143391.030363
1997	2408910750.9228992
1998	2132101792.8428826
1999	2119876331.8633723
2000	1854624815.1387765
2001	1724309838.1353657
2002	1720097712.4077766
2003	2239942423.3809676
2004	2124368179.5509553
2005	1620376057.3246555
2006	57815908.03593105
2007	-231396651.17824334
2008	297382827.8701
2009	-368037312.2113317
2010	451293703.7334818
2011	230202646.271995
2012	439879823.7198226
2013	-651641022.5651233
2014	-317090909.02124256
2015	-649386951.5202408
2016	-104821279.81995979
2017	1179429809.4155383
2018	989294164.9208472
2019	1034972986.7731322
2020	142474765.57440364
2021	-90542360.62835258
2022	244857292.09062275