Year	current US$
1990	6138155251.20974
1991	10677718674.802
1992	13583727019.7609
1993	27493752822.8504
1994	33705919585.9523
1995	35035050469.2929
1996	38121201366.5706
1997	38801308513.6886
1998	7458496747.01619
1999	-76579655.5332642
2000	18088201205.9371
2001	-115186793.679152
2002	-4253099817.02321
2003	-9210665669.66271
2004	-12479269351.5604
2005	-5868639417.38289
2006	3068973952.42222
2007	2760047950.25482
2008	18365816074.4736
2009	40397160153.7667
2010	80018002326.8284
2011	92955888884.3224
2012	97251465738.5538
2013	94091581725.661
2014	87697223180.7971
2015	95624471930.8161
2016	119973698868.217
2017	122638706417.259
2018	113643661493.251
2019	104488503076.273
2020	89572127250.8241
2021	124414978770.593