Year	current US$
1989	14153947053.934238
1990	8528434790.727785
1991	7569186867.641393
1992	9221407771.359962
1993	11664291503.125402
1994	14012882406.071548
1995	18666478229.38544
1996	22654696801.318745
1997	25824451836.27957
1998	26759132281.38433
1999	27962757382.178547
2000	30203568807.399242
2001	32186355251.366074
2002	34037168531.61333
2003	38120159467.91157
2004	44415418897.70209
2005	52884327649.34474
2006	61119346894.26687
2007	71581154273.07706
2008	84934003166.55931
2009	96710386627.32904
2010	119484047926.21294
2011	144217148114.08948
2012	176784608297.42038
2013	198882934014.1605
2014	218738113959.91055
2015	228398373125.45712
2016	240485782014.19324
2017	255477906845.94467
2018	290784413858.68604
2019	319511868951.4403
2020	333828705279.7576
2021	350317100943.6863
2022	394874978957.9466
2023	412944119224.21875