Year	current US$
1965	474865454.7840924
1966	622916380.1023756
1967	557684722.404515
1968	520419119.3418819
1969	523851851.8518519
1970	579061738.2716049
1971	590024701.2345679
1972	694814520.5671029
1973	635098624.0992286
1974	833301616.5842526
1975	1087390623.811335
1976	960090239.2942423
1977	831120016
1978	944351855.6156254
1979	1113750016.6666667
1980	1126666666.6666667
1981	1292499966.6666667
1982	1369398831.9564748
1983	1383204697.1838644
1984	1479001094.342837
1985	1280038241.9930825
1986	1388249615.016015
1987	1418013771.2600193
1988	1666515529.358422
1989	1681164930.564674
1990	1770354348.331582
1991	1753816914.7925246
1992	1451135857.4610245
1993	1460208333.3333333
1994	1644673469.3877552
1995	1718253012.048193
1996	1760145322.434151
1997	1907504822.0234964
1998	1815899919.2897496
1999	1948094186.902134
2000	2101216157.5213554
2001	2117346938.7755103
2002	2187409456.077966
2003	2222367977.6942687
2004	2522336825.6433396
2005	2750051495.875702
2006	2927132777.5988007
2007	3217918070.5798903
2008	3801985040.6744156
2009	4026522369.7132487
2010	5309581946.9786415
2011	6645936135.260798
2012	6527436981.670177
2013	6343412016.096809
2014	6242531754.939961
2015	6460121143.106921
2016	6258031694.248556
2017	6866135760.234098
2018	7395350572.555152
2019	7378530812.687056
2020	7415615787.767144
2021	8131386326.38302
2022	8613152357.33683
2023	8668237003.191141