Year	constant 2011 international $
1990	5713.19704434449
1991	5997.70785964812
1992	6256.96701197827
1993	6007.09105079685
1994	5970.03454326577
1995	6065.46899477819
1996	6125.4077761413
1997	6253.62126442808
1998	6334.10169523395
1999	6427.9132846841
2000	6538.53991027538
2001	6509.99363680905
2002	6719.12119983495
2003	6901.14751529687
2004	7631.62079046261
2005	7701.21882871127
2006	8107.91441056123
2007	8393.77023221074
2008	8460.68089565269
2009	8332.19937714587
2010	8677.65599794304
2011	8959.51589253357
2012	9249.68723240765
2013	9599.64964077086
2014	10030.1180351769
2015	10449.9511284424
2016	10374.0076331195
2017	10093.233182811
2018	9897.6304226637