Year	current US$
1990	3999108337.0485954
1991	3941615394.6851683
1992	3069583333.3333335
1993	2910597986.974541
1994	1361013600.4688568
1995	798217658.1680831
1996	60655205.968212776
1997	-194198054.11317617
1998	-185227331.62227145
1999	-866832237.2111102
2000	195313219.75685346
2001	687076985.8630822
2002	321248279.02707666
2003	253041635.1531789
2004	1424445032.0606608
2005	-441541940.6497617
2006	1018019688.9764018
2007	-7011422126.525171
2008	-9012457232.60303
2009	2059668943.1267576
2010	2285975014.9469776
2011	1695691935.4669409
2012	-631883974.3959403
2013	1666988689.9222548
2014	1267864474.0869021
2015	1004152367.1338631
2016	1116406922.2796805
2017	2233045740.7442136
2018	4667678265.036913
2019	3226107116.1004505
2020	2451465507.0037827
2021	5758172798.543992
2022	6855704680.093206
2023	-4394421004.30667