Year	constant 2011 international $
1995	7777.15708212654
1996	8225.08970071426
1997	8758.38954392597
1998	9253.02368660251
1999	9642.28404853622
2000	9802.70221973392
2001	9188.92706590557
2002	9592.79138703243
2003	10605.4858066446
2004	10935.3438865274
2005	9251.65963113377
2006	11386.7003570265
2007	11983.9429303131
2008	12804.2300491605
2009	11544.3214430447
2010	11965.3586867155
2011	12486.4469115962
2012	12261.2755092925
2013	12573.0381417765
2014	12892.1028420006
2015	12683.7587467506
2016	13018.8249366459
2017	13332.9383779491
2018	13610.9849497775