Year	constant 2011 international $
1990	9949.48755872304
1991	10142.6830278127
1992	10260.9983490798
1993	10487.6945988515
1994	10800.8225616861
1995	10738.6063570125
1996	10958.9203018157
1997	11360.826419908
1998	11465.9399543358
1999	11313.9311007733
2000	11558.8780220769
2001	11474.9890297294
2002	11341.7512018893
2003	11400.1549805473
2004	11943.0954189151
2005	12290.7339887215
2006	12782.8433744472
2007	13314.6168495784
2008	13661.5292247251
2009	13225.7659526946
2010	13856.8018186806
2011	14320.9935049787
2012	14566.3653236991
2013	14817.2518297028
2014	14843.9066160778
2015	14775.4388729532
2016	14636.8035168161
2017	14755.5118409359
2018	14842.6334073404