Year	constant 2010 US$
1960	208058610.696541
1961	221164834.92784
1962	233040326.405953
1963	209418894.265852
1964	228786741.27652
1965	246902263.731315
1966	247118181.758189
1967	276375074.399722
1968	266788314.006482
1969	280520700.515718
1970	305912660.476193
1971	314117545.497434
1972	345468842.999653
1973	320940555.146678
1974	356890906.621329
1975	423955045.768637
1976	469923993.690278
1977	498317214.224312
1978	613768583.194259
1979	657362432.820277
1980	885933256.069921
1981	1004947272.4833
1982	1174831576.02839
1983	1610273460.82676
1984	1888894082.70598
1985	2021122282.3641
1986	2101983583.4287
1987	2207092478.91135
1988	1340008866.58759
1989	1058408575.9375
1990	1418063233.30283
1991	934795508.045619
1992	832925379.027757
1993	805460610.018839
1994	783933579.465369
1995	845295264.086075
1996	846493441.604616
1997	819149265.349438
1998	853736190.973469
1999	947872871.412651
2000	966304396.815192
2001	965322912.284219
2002	955877312.317367
2003	1003524169.91681
2004	1038775813.42805
2005	1087698281.07571
2006	1108498728.9089
2007	1100312039.54487
2008	1186689727.09719
2009	1208341600.61316
2010	1234719503.28707
2011	1279671470.20241
2012	1331746756.23569
2013	1403684633.25671
2014	1487915196.5371
2015	1570646379.34553
2016	1699977510.95654
2017	1765478838.89995
2018	1716302392.87987