Year	constant 2010 US$
1981	166233338352.272
1982	132483688802.326
1983	113462539823.011
1984	98396015189.4926
1985	93703634011.6447
1986	86774850681.4191
1987	75099926599.7677
1988	81647124254.5846
1989	85355218419.1652
1990	88545586908.4851
1991	88233904751.9373
1992	84767541389.0173
1993	88335110319.6658
1994	94348804441.8324
1995	94429032783.7145
1996	101291031621.939
1997	108452352637.558
1998	112871675606.438
1999	107817911267.481
2000	120724791934.61
2001	126271885157.983
2002	137783141685.302
2003	159144774152.378
2004	168905208934.441
2005	177431866943.694
2006	207966447763.97
2007	238876473576.554
2008	262828087384.575
2009	274351873403.996
2010	292937394208.401
2011	306975322813.766
2012	328258397605.724
2013	344724098354.383
2014	367113930152.575
2015	371869551248.452
2016	358335883634.683
2017	360442676481.358