Year	constant 2015 US$
1960	482.08244734757983
1961	482.2081171396828
1962	503.28320690918395
1963	513.3759164163853
1964	526.4706260377272
1965	544.6484337220777
1966	563.7678757814284
1967	603.8831207763135
1968	646.5528237118625
1969	661.3287578899844
1970	668.5897797963216
1971	662.1031165113949
1972	684.9093831569213
1973	724.4272413379116
1974	740.0039978030396
1975	760.5601982668461
1976	800.7520980895364
1977	845.0104947437347
1978	878.7486213557435
1979	923.0437587429892
1980	952.4539092404203
1981	952.7389091867818
1982	954.2966027906352
1983	1006.264679245007
1984	1030.474358277645
1985	1025.461043371583
1986	1042.3843610340698
1987	1112.474331524229
1988	1188.7354290475378
1989	1299.729459114447
1990	1443.093743751252
1991	1497.6982863088224
1992	1603.9743763131507
1993	1713.8150157789166
1994	1822.4882501854986
1995	1946.3184113600491
1996	2017.589141509495
1997	1963.7630248723094
1998	1741.871049022064
1999	1792.4495615621083
2000	1899.6078035187456
2001	1993.1670738037296
2002	2098.301433362188
2003	2233.172281283816
2004	2379.4357244647626
2005	2460.1743024732527
2006	2510.0837457698663
2007	2520.7157422116816
2008	2572.8311494955133
2009	2531.4449343603546
2010	2651.577473786585
2011	2682.8227981995205
2012	2861.0514645889903
2013	2870.8475467662906
2014	2870.382013774727
2015	2931.16337597618
2016	3002.2536975003163
2017	3082.2501283296483
2018	3212.831058385316
2019	3331.816606042935
2020	3298.0232201316185
2021	3312.1192736774547
2022	3511.4516283042444
2023	3761.628238829044