Year	constant 2015 US$
1960	865.1956527948793
1961	844.9679367406061
1962	838.2116209570785
1963	824.4334081105266
1964	772.4073416814664
1965	784.3279741182445
1966	831.5812751282119
1967	893.8724858074838
1968	856.7332894491324
1969	899.6409137300458
1970	964.2765111630439
1971	1075.250942347317
1972	1104.0449686982604
1973	1215.6733941975103
1974	1442.974731168072
1975	1841.6320405730678
1976	1781.9466069219704
1977	1851.860134654813
1978	1830.7582795252852
1979	1831.3579805129823
1980	1688.2831674327401
1981	1654.027699605451
1982	1689.9360968044605
1983	1866.8556628397432
1984	1898.2604678398102
1985	1863.847672673068
1986	1618.6212441611342
1987	1470.605001875403
1988	1437.117949853839
1989	1399.6889030775499
1990	1632.4196520815744
1991	1711.3286806457238
1992	1747.9465755896138
1993	1791.1843235266513
1994	1705.6228917958647
1995	1580.757537313974
1996	1622.2232976974667
1997	1733.1396763255386
1998	1756.7431971174326
1999	1730.7607695145723
2000	1882.987066267149
2001	1964.2806002983991
2002	2160.9690754771154
2003	2173.47123620852
2004	2326.981327977985
2005	2452.7034425577094
2006	2597.654911360615
2007	2886.697741115795
2008	2745.5781516054058
2009	2764.5260608918934
2010	2845.005493288434
2011	2932.3150581722616
2012	2840.587709126213
2013	2771.6353556440645
2014	2737.519936717096
2015	2666.237841099094
2016	2730.6001198554736
2017	2733.651795304196
2018	2649.3543011714833
2019	2496.0450299310064
2020	2488.7231024263897
2021	2567.3545016720127
2022	2770.416567097227
2023	2841.8720149951555