Year	constant 2011 international $
1995	2884.66285924883
1996	3109.8038303284
1997	3304.71636580849
1998	3417.57895495574
1999	3621.29987694223
2000	3887.02802757932
2001	4115.72543219381
2002	4427.25164557569
2003	4803.26332303495
2004	5220.59235150626
2005	5666.66408793197
2006	6283.28146304706
2007	7050.23016723907
2008	7616.1294031504
2009	8096.18054721115
2010	8837.09657129576
2011	9499.96146673482
2012	10173.1829327109
2013	10766.0541041419
2014	11480.2901028294
2015	12086.6831916824
2016	12760.2768810403
2017	13491.5148149164