Year	current US$
1962	631.6523815131388
1963	667.3367318454164
1964	716.641223918245
1965	773.5378041501388
1966	828.3951891422774
1967	864.1560323619982
1968	913.5970046718605
1969	979.696405259308
1970	856.4968181048694
1971	923.422677353928
1972	1044.8479130406183
1973	1262.5155950515534
1974	1476.2596966632327
1975	1656.573251032123
1976	1745.9661308904713
1977	1849.9003500552533
1978	2078.5327831556597
1979	2458.1100476433908
1980	2819.7387489540606
1981	2935.301646917566
1982	2782.3947784745865
1983	2633.0354765472316
1984	2652.851209733495
1985	2729.058149597791
1986	3001.618288775201
1987	3494.884388143857
1988	4130.811294301159
1989	4283.276390795439
1990	4286.694971796865
1991	4349.317088913791
1992	4657.879948803721
1993	4742.822664604727
1994	4943.305372567475
1995	5247.864061588196
1996	5504.633625245231
1997	5555.353649559687
1998	5319.135507804237
1999	5321.147647170194
2000	5506.437812584723
2001	5481.515542909454
2002	5434.785099934045
2003	5830.793433576848
2004	6645.095320806058
2005	7359.424963540645
2006	7839.3153837398895
2007	8347.670606000087
2008	8937.410679926052
2009	8970.568670422217
2010	9403.81179267904
2011	9887.478931821148
2012	10468.914004874096
2013	10837.428330097477
2014	10951.578575982227
2015	10593.188685115261
2016	10337.590015819733
2017	10412.125324572506
2018	11103.198577359668
2019	11517.720061953576
2020	11061.162828267366
2021	12129.642681247255
2022	12885.856424155849
2023	13211.846172187345