Year	constant 2015 US$
1960	977.3924754121176
1961	1027.081060861539
1962	1007.5862900484291
1963	1042.1813207669477
1964	1028.9241832644018
1965	1080.1354534476036
1966	1137.5933423623223
1967	1180.9096923099685
1968	1189.718074777651
1969	1239.9554127634551
1970	1292.6139048625673
1971	1309.4544602209537
1972	1293.3143083352772
1973	1369.3055338568245
1974	1381.278855111273
1975	1406.0824602066582
1976	1482.3283478218332
1977	1524.0748854539613
1978	1448.3262206802094
1979	1428.3659913830513
1980	1422.8886843325397
1981	1397.8348320594164
1982	1313.133942256142
1983	1226.4329830758968
1984	1200.4297074895346
1985	1222.0523923885223
1986	1256.0320764166638
1987	1267.9666877991367
1988	1252.4344242349732
1989	1248.1757908026361
1990	1263.5843919543697
1991	1278.7819057358956
1992	1297.471015210757
1993	1313.9443056922485
1994	1326.2566718507012
1995	1339.616168764319
1996	1357.7581079137242
1997	1405.3920823288424
1998	1452.5687409721925
1999	1465.7869164688555
2000	1472.7400396138694
2001	1465.2692026207853
2002	1469.2743839524019
2003	1471.0400914529068
2004	1487.7465615934284
2005	1510.8677391222564
2006	1545.1455375070443
2007	1581.646972283409
2008	1639.7566808601412
2009	1671.1126623350924
2010	1708.3572122755857
2011	1767.3467464277508
2012	1818.4044786806194
2013	1895.050980584966
2014	1965.9900048642432
2015	2035.9305275766962
2016	2072.77906554323
2017	2138.0880557919318
2018	2197.1278083241696
2019	2244.9320123037646
2020	2041.0481444286618
2021	2124.562537919071
2022	2170.0441316330175
2023	2189.6477229584293