Year	current US$
1981	24771009648.528732
1982	26162358019.906326
1983	22872939415.26631
1984	23736304249.4066
1985	25068894266.037567
1986	24190056829.58967
1987	25836425325.66272
1988	29187882342.818745
1989	32670513870.95262
1990	34288385741.552002
1991	36594030671.03084
1992	43722391375.9581
1993	45062211859.49387
1994	52005530066.86902
1995	60070939514.32087
1996	66513274182.658745
1997	65495176531.17891
1998	53674001406.106895
1999	61936058477.14176
2000	60006199043.95001
2001	57535524146.640884
2002	61632271265.27901
2003	63977788233.059395
2004	69921159244.40073
2005	79441241675.75739
2006	93540728013.43205
2007	112705793478.26018
2008	132923480306.7859
2009	128794550895.55116
2010	146259236887.68774
2011	168943830475.72842
2012	190036403236.2278
2013	204440591591.4469
2014	212028490469.9283
2015	222090173338.63116
2016	231175324215.6482
2017	237102808741.10086
2018	251608899169.65793
2019	275858995374.1987
2020	271563141261.05188
2021	296592543563.14105
2022	307006689363.25714
2023	334499510283.61975