Year	constant 2010 US$
1981	109214583810.112
1982	101835147066.896
1983	90795027758.0389
1984	92478924184.5199
1985	94134431409.6485
1986	92923473473.9929
1987	99157755318.859
1988	106320633470.539
1989	101758596788.975
1990	100769902597.105
1991	98645676361.5036
1992	98974551313.3401
1993	91030223136.7061
1994	87862327448.4111
1995	87843738395.7502
1996	90252810918.9321
1997	91083887628.1595
1998	89874878839.4146
1999	92162594183.4088
2000	95637272108.922
2001	97543242671.6554
2002	103835227866.44
2003	101027270582.203
2004	104166780637.094
2005	111214950010.199
2006	115915081957.967
2007	122158965988.473
2008	126505235709.997
2009	123043477852.114
2010	128793298016.023
2011	137858750938.168
2012	145321662615.018
2013	156190321578.319
2014	164139689390.593
2015	166447583084.716
2016	169062077030.21
2017	172137460315.206
2018	174691783431.46