Year	constant 2015 US$
1960	977.1096497137279
1961	977.3743853882355
1962	989.9596424596167
1963	1012.8553261246217
1964	1071.2068329409851
1965	1112.1022711807973
1966	1147.6263989702488
1967	1168.233680096689
1968	1214.4250193912894
1969	1280.2723236413428
1970	1347.2650674885856
1971	1396.9861316051627
1972	1457.3592987258542
1973	1526.6390123301785
1974	1581.2520142170947
1975	1622.9209877718788
1976	1692.4588871492674
1977	1738.6738130880467
1978	1777.4002005981256
1979	1829.609217349246
1980	1887.8339686736315
1981	1894.0806624324907
1982	1912.0250716237388
1983	1908.8871019544538
1984	1966.463910648673
1985	2017.0453241036278
1986	2056.3456944376217
1987	2116.638442973067
1988	2161.8414589514755
1989	2191.700153031199
1990	2195.9886922415353
1991	2184.2721970193065
1992	2183.992084361317
1993	2231.273324226653
1994	2278.446363158755
1995	2335.79092895436
1996	2429.7275847385577
1997	2525.1253439487737
1998	2558.1442882082893
1999	2620.481126309997
2000	2741.477190943455
2001	2807.592411838154
2002	2902.8688044345554
2003	3041.537409392827
2004	3238.208648751696
2005	3433.8236011276335
2006	3680.5591708826955
2007	3970.5224073152394
2008	4163.099490112042
2009	4236.165329412977
2010	4522.13827416384
2011	4761.810867725693
2012	4967.950229086466
2013	5171.162972516322
2014	5361.822565934675
2015	5541.337593959859
2016	5737.8739761939405
2017	5982.267734175933
2018	6223.297651608223
2019	6419.690012599106
2020	6285.201200487509
2021	6726.192813962237
2022	6943.365866519727
2023	7215.894809537477