Year	constant 2010 US$
1985	3226958592.50995
1986	3397242939.09308
1987	3532294392.26699
1988	3607781677.71447
1989	3838732395.72261
1990	3736031556.71397
1991	4078784501.28232
1992	3863917628.70049
1993	4069949372.29532
1994	3842267506.0914
1995	3979021414.99435
1996	4252445798.80516
1997	4449070209.16643
1998	5063858532.9995
1999	5200301339.68086
2000	5067076975.24117
2001	5640844035.57925
2002	5487424117.2309
2003	6136033451.15942
2004	6295279099.99259
2005	6730102740.73203
2006	7311754241.81674
2007	7516564294.89947
2008	7451995821.17077
2009	8109559289.27221
2010	8384963976.38499
2011	8727488925.1243
2012	8019101035.79659
2013	8003695318.50343
2014	10805497549.8914
2015	12963715209.8855
2016	13989581345.4277
2017	14627248119.4806