Year	current US$
1990	956409792.235281
1991	1667315975.1670794
1992	419451291.12133
1993	459947518.26570165
1994	-543925829.4250499
1995	-1843896006.028636
1996	-3255603200.565846
1997	-2574782482.507114
1998	-208976122.32506847
1999	-311896138.75935805
2000	-1152699148.8645048
2001	-881119579.7632225
2002	-1090242099.5399926
2003	-1518806054.805204
2004	750900785.2201184
2005	3193376576.757077
2006	4254235337.8533874
2007	4607242641.805092
2008	5117123660.795351
2009	8076693070.345696
2010	6391475658.764546
2011	8679572971.165648
2012	9948972034.22296
2013	12054111825.997372
2014	13259881970.372154
2015	11172722191.168251
2016	14971409476.982647
2017	16444452366.353458
2018	14787217315.605576
2019	15123941174.546762
2020	16601372238.558397
2021	8345124510.836542
2022	2852164233.4203877
2023	16865059671.067722