Year	current US$
1980	29652788443.35162
1981	25741816565.943832
1982	22668334447.521725
1983	21234433749.396774
1984	23092218984.985126
1985	24218333081.50955
1986	31527275254.085014
1987	37973443946.75415
1988	42336110947.90443
1989	43268926926.11953
1990	48125907785.3619
1991	45777288962.38115
1992	45117974861.77409
1993	34554050928.89996
1994	40606402280.974594
1995	52817069238.641304
1996	56113331345.06412
1997	52411557453.27378
1998	53787217449.27609
1999	53950062935.708755
2000	52984326908.384445
2001	46582277255.520805
2002	49824588429.81997
2003	60450515068.69644
2004	66973288519.37024
2005	67287872502.709724
2006	72566479629.17786
2007	84405811682.5472
2008	81746597684.75671
2009	60016593064.8828
2010	72986505190.3514
2011	83800780570.23828
2012	76908307348.35925
2013	78079093067.3887
2014	76021184164.78581
2015	68720206042.22034
2016	68024476392.272415
2017	70578760347.50441
2018	72383856538.69777
2019	68360132260.5716
2020	67620423818.372444
2021	84199893023.22916
2022	79176300649.79694
2023	77456032668.1315
