Year	current US$
1970	716325836.3258363
1971	864699118.4361824
1972	1077555074.7442958
1973	1302880571.0978198
1974	1508944945.6821947
1975	1962515679.442509
1976	1897345032.5502405
1977	2134752026.3772497
1978	2787689519.782543
1979	3684766279.8194714
1980	4808310406.214598
1981	4576095829.636202
1982	4724379610.9993305
1983	4466665361.652148
1984	4181219054.1232715
1985	4390852002.998251
1986	5995139889.783807
1987	6682351357.677902
1988	6782460707.858428
1989	6543063958.03103
1990	8461023837.436498
1991	9037851438.71213
1992	10372314082.808523
1993	9615111059.425514
1994	10371545347.46761
1995	11904449494.949495
1996	12575623739.919355
1997	13355521728.748806
1998	14024160592.127396
1999	14860002711.555632
2000	14776534511.50905
2001	16839201848.769312
2002	20326188020.180035
2003	26439341444.33524
2004	31422269907.490814
2005	34021315579.01944
2006	37675337582.174065
2007	45500254635.81191
2008	51377633112.34843
2009	47384686578.393715
2010	41421359694.53342
2011	45639462239.61098
2012	41060207847.56837
2013	40917878436.39894
2014	42605490442.21867
2015	36598735049.639435
2016	38290230463.54678
2017	41555959216.65419
2018	46480523673.9835
2019	48099775024.870514
2020	55035413979.57525
2021	62085132924.619156
2022	60676523526.76288
2023	67099768204.7855