Year	constant 2011 international $
1996	4593.62711054181
1997	4111.76967087207
1998	4529.57096517
1999	5141.22618133388
2000	5562.07987314112
2001	6092.594817922
2002	6358.36312199102
2003	6760.32526559574
2004	7146.83614441792
2005	7557.06977293542
2006	8124.77637208844
2007	8670.82181678431
2008	9199.18424694938
2009	9375.99615414262
2010	9828.46536813018
2011	10210.3959829058
2012	10293.1448263613
2013	10668.746855523
2014	10796.596485428
2015	11098.1092592139
2016	11533.9258601785
2017	11831.361700347
