Year	constant 2015 US$
1965	918.2164480420246
1966	941.2358679580959
1967	930.0785657562283
1968	894.0372580734022
1969	911.1043800555309
1970	942.4622353925427
1971	958.7535543036228
1972	968.8242035328265
1973	973.6608335471133
1974	968.2901960370865
1975	1022.1425772461648
1976	1123.5420838786213
1977	1192.0947221179242
1978	1244.5924055014943
1979	1253.105422579075
1980	1327.343057500377
1981	1380.8803128525826
1982	1499.8407369521349
1983	1538.6305573779734
1984	1645.7841956565749
1985	1647.2407922726054
1986	1660.8848385841982
1987	1839.1890820186388
1988	1902.6962410947565
1989	1930.5533429102388
1990	1962.6002860906565
1991	2001.465273176768
1992	2040.3847285453235
1993	2050.824715101658
1994	2083.6291619266335
1995	2135.9708597502126
1996	2197.3288595729573
1997	2268.8732246824393
1998	2351.337883981064
1999	2430.999025798139
2000	2530.5162769033227
2001	2583.426460682522
2002	2564.554041970846
2003	2585.2521359556094
2004	2633.457026946049
2005	2696.6103638741192
2006	2848.237367068884
2007	3003.409327943661
2008	3153.5445801974747
2009	3212.445609553827
2010	3241.889258242025
2011	3205.6108457852247
2012	3211.724234494221
2013	3197.9194293886394
2014	3221.993365778554
2015	3312.045582871855
2016	3398.1841717409584
2017	3453.923678941692
2018	3549.5924595814367
2019	3639.807917263207
2020	3724.0695323039795
2021	3784.881927387642
2022	3955.464107596793
2023	3996.66083688498