Year	constant 2015 US$
1975	91708456.53827849
1976	98322879.62251982
1977	100274653.88419043
1978	100216474.66910934
1979	108470997.62568162
1980	114395581.39731887
1981	94749013.32731855
1982	92394140.19146068
1983	95995710.87346046
1984	104999637.57565576
1985	104445549.7779936
1986	109155296.05531767
1987	96965364.51796712
1988	91285964.59613639
1989	83113169.58763015
1990	89069613.40548782
1991	86022116.38255346
1992	77710797.53883116
1993	74109240.99542812
1994	73970715.27581358
1995	73693663.83658452
1996	86714744.98062609
1997	86160642.102168
1998	74663343.87388621
1999	81727931.2410778
2000	84775440.98931006
2001	76741173.5848168
2002	73555138.11697002
2003	70646210.17163959
2004	65520870.71247676
2005	70784735.89125411
2006	66840903.045499876
2007	67743675.7210606
2008	59662186.18866636
2009	66630534.63486259
2010	71354149.50714329
2011	63203397.11494179
2012	70863869.40962501
2013	77383719.80733648
2014	76855246.99117143
2015	75626350
2016	76088756.7037335
2017	76474946.22003537
2018	92482406.32915945
2019	97030929.17851038
2020	103986883.21821478
2021	80908666.58029684
2022	70553448.41445643
2023	72829366.1052451