Year	constant 2015 US$
1960	785.681042474315
1961	800.1536731998619
1962	822.1272761439553
1963	847.37263943423
1964	857.1644192257726
1965	874.7928351529016
1966	894.8695925768715
1967	915.2315895815516
1968	932.6367965304645
1969	944.8401485922448
1970	947.9499901929627
1971	954.8508279249351
1972	961.559986445457
1973	991.9188786699377
1974	1015.7046890076615
1975	1039.185799560213
1976	1064.025902884299
1977	1090.7376911076788
1978	1116.4848577865407
1979	1139.258994005532
1980	1159.4995720050238
1981	1160.1089986366765
1982	1171.0430885180174
1983	1152.8973160989628
1984	1138.905719411567
1985	1105.867547211942
1986	1113.8710857822034
1987	1126.2358301470838
1988	1162.119140948768
1989	1187.3259802984428
1990	1220.2590599946732
1991	1221.3701621255618
1992	1231.5253647689447
1993	1233.237572929598
1994	1239.7886181001986
1995	1247.3008541010875
1996	1264.022294936561
1997	1286.620987276686
1998	1322.467389550201
1999	1344.0361858351976
2000	1382.8890224522129
2001	1407.298255138968
2002	1448.8742472199456
2003	1496.3102665722133
2004	1553.4799290106587
2005	1591.4177857036846
2006	1627.0331200738224
2007	1673.685823561679
2008	1705.9574165567117
2009	1717.2521800047502
2010	1747.135663435709
2011	1811.5736786895927
2012	1901.3016878818157
2013	1978.2826536715347
2014	2059.1517205417185
2015	2155.558876062946
2016	2269.064577723095
2017	2362.2724647222717
2018	2456.34162437752
2019	2557.765070161119
2020	2316.2704232724004
2021	2378.012181527773
2022	2537.7066956708427
2023	2638.3189445987728