Year	constant 2011 international $
1995	4969.64189564793
1996	5132.55978301788
1997	5308.5646905577
1998	5375.91829692708
1999	5510.03000351406
2000	5784.01617287708
2001	5937.08590025285
2002	6142.39902684849
2003	6448.01889741061
2004	6857.88111839249
2005	7251.81247496973
2006	7787.99572104671
2007	8413.39183883436
2008	8791.63185368235
2009	8904.71707516537
2010	9454.34993997973
2011	9914.17663511226
2012	10319.8260522411
2013	10723.9206864486
2014	11169.5211432993
2015	11540.6377787757
2016	11989.0162021789
2017	12493.2324101499