Year	constant 2015 US$
1960	1318.8027100915192
1961	1365.9207278839874
1962	1420.2711157385027
1963	1445.720461466249
1964	1536.2974707362814
1965	1658.3986581132674
1966	1716.7185138512282
1967	1747.2465450016628
1968	1782.9577748617717
1969	1886.3433644677361
1970	2042.039281997407
1971	2119.2851989961023
1972	2186.2455459550447
1973	2275.4378531207453
1974	2282.58737926688
1975	2212.9946865336756
1976	2092.0604031018875
1977	2064.8882908859664
1978	2194.7677439677846
1979	2189.2136675345355
1980	2095.466104723
1981	2047.3172012246903
1982	2012.5087272595733
1983	2034.3565931199835
1984	1984.6157623771674
1985	2020.232120310877
1986	2069.8129124763145
1987	2081.4115021886314
1988	2095.7987210325578
1989	2019.6881991312316
1990	1907.7337337229396
1991	2023.8718539746008
1992	2223.031378559596
1993	2532.8040578337614
1994	2586.800438137284
1995	2411.8577503146603
1996	2506.381541700849
1997	2323.7734523778054
1998	2158.5604764434584
1999	2123.186657998991
2000	1999.9693681541269
2001	1930.8738864111804
2002	1864.3021981113582
2003	1842.6129916730322
2004	1831.9435893978987
2005	1886.5275487829606
2006	1926.513276663883
2007	2013.1960422491293
2008	1946.2285221030425
2009	2016.1846400727713
2010	2154.6944546436844
2011	2116.224459660432
2012	2154.099938230732
2013	2177.0706517796953
2014	2408.1083059574103
2015	2502.0734449802785
2016	2575.0675120414094
2017	2603.0150331023533
2018	2536.0831879568
2019	2590.493924201815
2020	2455.1453420797384
2021	2387.0695031801606
2022	2462.549091555052
2023	2482.7198821556944