Year	current US$
1989	29340183918.798298
1990	32199341352.452488
1991	34331392045.397354
1992	38332206309.47219
1993	39251239362.13163
1994	40381983967.55991
1995	43554175041.34726
1996	47131241017.3312
1997	48990036379.6805
1998	49701605695.50453
1999	49598961981.363686
2000	53640041874.193665
2001	55133488647.49001
2002	57174527315.3173
2003	65109157756.72484
2004	79448730757.09962
2005	95806279463.92822
2006	108263059211.27118
2007	123513820906.93835
2008	136669279455.02673
2009	133232108531.75262
2010	135578889764.73277
2011	142762719946.5532
2012	153737926877.1229
2013	162097904211.79416
2014	163375550000.81277
2015	160730133192.74432
2016	158221391533.15863
2017	162912538523.34085
2018	181536822145.26013
2019	195009016954.17245
2020	181253460637.40625
2021	196329852112.30887
2022	214118052332.96036
2023	224357220171.91867