Year	constant 2010 US$
1981	32505140838.534
1982	29106752044.0194
1983	26873936694.5736
1984	29635034117.8158
1985	32143634215.284
1986	29279553623.9575
1987	30864248688.7162
1988	31793471021.9603
1989	41277180805.1724
1990	39442376665.1566
1991	42622582771.5605
1992	31319698661.9915
1993	37160259863.072
1994	38000609230.3291
1995	34741575887.2374
1996	30962370618.3715
1997	45794580506.0613
1998	46750136178.1261
1999	41723239814.9011
2000	47252825814.0494
2001	36091922157.3141
2002	40288468790.6692
2003	52923420416.772
2004	52418150717.2418
2005	58904655934.2107
2006	100359178567.912
2007	83347084881.369
2008	119550928782.153
2009	83664420579.7815
2010	93240368002.2356
2011	117289591099.682
2012	113080100612.783
2013	88500424923.1527
2014	109815779358.341
2015	109967624118.085
2016	122587598065.843
2017	133301394162.264