Year	constant 2011 international $
1995	2522.30565539691
1996	2747.03619701024
1997	2977.73501393514
1998	3167.07831076338
1999	3388.8951134022
2000	3651.00831575366
2001	3918.12754518657
2002	4262.93717882434
2003	4678.40599916763
2004	5137.36176916636
2005	5664.88635594803
2006	6381.27260804963
2007	7280.8034502985
2008	7973.68704343412
2009	8612.86255778839
2010	9457.69292324218
2011	10258.9867937072
2012	11090.0691405006
2013	11823.4467358927
2014	12742.2577794895
2015	13484.5473410195
2016	14311.3966146581
2017	15212.1312713072
