Year	constant 2015 US$
1965	173203330.8582317
1966	144522427.22428128
1967	222370793.60735622
1968	232055218.3142403
1969	186240186.79912007
1970	212313798.99134013
1971	194062260.48609775
1972	202629274.58623603
1973	209334037.35602456
1974	216783541.14253363
1975	217901051.45616287
1976	235531334.51976013
1977	258774894.1594213
1978	276779555.68248993
1979	324010002.1231581
1980	300176783.7444841
1981	341685738.25376254
1982	334010763.3499533
1983	303570379.37179106
1984	359036723.2038945
1985	317885363.7679734
1986	369187390.8082162
1987	328496819.47851366
1988	328786977.0836001
1989	409361939.9077675
1990	446664999.5037159
1991	444334072.06215894
1992	452089557.7504271
1993	504250125.17788357
1994	530919874.4667002
1995	527526977.8646674
1996	551190130.8331838
1997	577117049.0612992
1998	584537801.1304498
1999	624924130.4855711
2000	612920959.3977239
2001	685506550.9899956
2002	699373242.6496645
2003	702221187.2458658
2004	760739991.5004865
2005	668657556.650752
2006	705242781.7337954
2007	693194051.966481
2008	740056143.4004204
2009	694859681.6401324
2010	728160753.8772169
2011	674224604.3002584
2012	664272652.6667346
2013	683532723.2244995
2014	732550475.0205814
2015	737090002.731327
2016	784582959.950007
2017	817643909.2346357
2018	814736456.509847
2019	803433470.1327496
2020	744362521.0940528
2021	729741681.635893
2022	727039351.260135
2023	724421128.9338247