Year	constant 2011 international $
1990	7392.08146914179
1991	7434.16051027976
1992	7617.16074270653
1993	7944.84815287668
1994	8331.13426979032
1995	8613.38345941744
1996	8600.86713457033
1997	8737.38584857675
1998	8682.80419241991
1999	8193.46000358121
2000	8253.59354843589
2001	8239.46956305907
2002	8300.43629882816
2003	8439.13929758322
2004	8756.1762221975
2005	9130.6181829039
2006	9611.92024681977
2007	10100.3661593128
2008	10253.7378709315
2009	10305.0885014482
2010	10567.2083286319
2011	11151.282918646
2012	11538.4697258698
2013	11995.6631167321
2014	12513.1270430818
2015	12951.0157688666
2016	13087.4457177821
2017	12962.968488174
2018	12895.5949063926