Year	constant 2010 US$
1975	851467545.463475
1976	946639965.065287
1977	1039752080.1457
1978	1190685455.65355
1979	1337265605.20908
1980	1423299610.09957
1981	1491754636.29596
1982	1483878979.08081
1983	1474242106.23425
1984	1628631464.37254
1985	1752780974.4945
1986	1787639866.34079
1987	2028561664.15672
1988	2538883915.52157
1989	3116032898.06426
1990	3442286880.86871
1991	3248680641.92373
1992	2801892412.22163
1993	2724396472.89116
1994	2863875350.96255
1995	3239779420.34538
1996	3079891776.42404
1997	4154510453.28204
1998	4775919571.70588
1999	4604661413.38768
2000	4515495100.28377
2001	4446571571.5373
2002	4535551100.01046
2003	4204446226.95314
2004	4945168861.32037
2005	4701091103.68714
2006	4703166958.02905
2007	5876860312.29832
2008	6907869470.84023
2009	6156042093.25761
2010	6554992934.52661
2011	7815183729.70334
2012	10322118531.0526
2013	11431018211.4574
2014	11373269470.1629
2015	11637686463.0672
2016	11047306941.4266
2017	8457444643.77318
2018	9483009006.98067