Year	current US$
1989	0
1990	-1900000000
1991	5687499999.999999
1992	1677931387.6088068
1993	5757295503.827364
1994	7341924884.60682
1995	-23033456689.627064
1996	-11682370908.367325
1997	-12002025710.765942
1998	-3261342315.5369544
1999	2238256925.6968145
2000	3923717860.7681217
2001	1813080261.0791817
2002	-2432596940.8597493
2003	1406354072.7382026
2004	3964435634.9263053
2005	1325859414.473441
2006	6714147482.194632
2007	25477285781.933563
2008	37886306439.149574
2009	-5098058694.786709
2010	27978197071.782093
2011	31846650434.682804
2012	17269231348.201214
2013	19333617999.99907
2014	16587673569.20158
2015	-7644645051.3750925
2016	-9962154610.600655
2017	1374323280.5527625
2018	-35852921.25375463
2019	854613888.6557919
2020	-6571643545.258079
2021	26797785166.508755
2022	5617989453.85043
2023	-9841561294.895464