Year	constant 2011 international $
1990	18799289207.5903
1991	18792496388.2537
1992	18467212901.3105
1993	19722479971.438
1994	18021328909.9451
1995	18543527351.9489
1996	19696665221.0197
1997	20447897509.2445
1998	20369020532.7075
1999	21316218636.9562
2000	22146980516.5637
2001	23324506297.3386
2002	24375511881.9122
2003	26068384840.1421
2004	27901616662.2393
2005	29920465760.2652
2006	32285287950.4178
2007	34981896042.8214
2008	37701352195.4501
2009	41177548221.5933
2010	45418096902.1563
2011	47945443548.246
2012	51588154703.0654
2013	54198193616.0752
2014	56743246685.4208
2015	58400082026.6953
2016	60594276946.5661
2017	62656402505.2185
2018	65034150898.2545