Year	current US$
1983	1231232371.97009
1984	1560019604.1914
1985	2153153778.55888
1986	2302036695.90107
1987	1634269545.60286
1988	1467228768.28464
1989	1246001314.16406
1990	1069010086.63983
1991	3934330300.81964
1992	4424722798.9605
1993	6699989177.45811
1994	6735468640.28333
1995	11974252023.1059
1996	9720163741.38665
1997	8407865439.20815
1998	9318724639.72178
1999	10954018141.8656
2000	11189595715.5179
2001	10727166080.6117
2002	10348473664.6763
2003	12751402418.5651
2004	15922070947.5829
2005	18552097977.5891
2006	21527033806.919
2007	23969752996.1505
2008	33787880582.8996
2009	44073738966.986
2010	44849178901.216
2011	48680502188.5214
2012	44506050804.4239
2013	46388888947.58
2014	41900607901.2031
2015	33019454325.6273
2016	25824253667.337
2017	27874456802.4484
2018	30068270406.0416
2019	30288204374.707
2020	39433731712.5512
2021	37953911379.1178
2022	35712766084.2451
2023	39453052373.4135