Year	constant 2011 international $
1990	7597.11782240673
1991	7914.31270364529
1992	8495.06018265322
1993	8973.57993159936
1994	9155.17497452564
1995	8957.88276864126
1996	9184.19493660215
1997	9465.15712308823
1998	9928.54764187019
1999	9990.37493136713
2000	10226.1998200076
2001	10030.3186451751
2002	10396.1618209569
2003	10288.3318038287
2004	10707.0600186967
2005	11199.7851489295
2006	11966.5060269391
2007	13035.9230003404
2008	14170.2992087687
2009	14004.1428503981
2010	14181.727915109
2011	16086.3971480047
2012	17234.694555174
2013	17914.4408338614
2014	17984.6832145066
2015	18635.5019885633
2016	19211.6668340325
2017	20066.1984579263