Year	current US$
1986	1271931653.7751431
1987	1286115574.8495166
1988	1399384697.60566
1989	1563814984.9226432
1990	1812502287.3737583
1991	2048335844.533221
1992	2162234818.781582
1993	2162181052.0190787
1994	2154696535.2409134
1995	2356948609.1295085
1996	2377562117.417736
1997	2404006168.6685834
1998	2130671780.781824
1999	2120463350.0233202
2000	1852518233.10207
2001	1721571260.1300604
2002	1706781966.2359436
2003	2350317046.3460636
2004	2375568736.386197
2005	1909591110.0895996
2006	119245908.03593105
2007	-37656651.19077387
2008	370102827.964674
2009	-233557312.30785158
2010	511353703.6585073
2011	224122646.19620386
2012	429409823.77830094
2013	-334331022.62824553
2014	-50771744.58005333
2015	-464828102.71162975
2016	-36670120.42653675
2017	1067506715.5451596
2018	1301592980.9298189
2019	1532129052.9586365
2020	1454446097.1517403
2021	1783291142.1318092
2022	2031587292.136631
2023	8441772500.0828495