Year	current US$
1990	850962897.5265018
1991	858229591.8367347
1992	365079945.0009821
1993	321054655.1724138
1994	353140914.29657406
1995	724327524.6096023
1996	404513885.63213974
1997	635955.4831161818
1998	-149088168.01698175
1999	-111442816.91618061
2000	287221385.6585987
2001	158545775.2900905
2002	76301722.933308
2003	107469759.44924822
2004	90022384.77028495
2005	226525278.15342045
2006	304599626.4848361
2007	487907205.1647339
2008	278639732.7026671
2009	392693292.5477729
2010	580117728.1671628
2011	836385032.3840896
2012	727079102.7401193
2013	1162185634.9286098
2014	1486525944.0769498
2015	1427280784.9531145
2016	1883882115.617272
2017	2083564359.782735
2018	2519349183.6085014
2019	2584299108.962786
2020	2128459446.1192377
2021	2294261976.634442
2022	2072441486.033692
2023	1526835598.8474374