Year	constant 2011 international $
1990	893.012648016391
1991	886.425341120147
1992	801.767655666716
1993	786.443441012902
1994	790.457070536529
1995	783.537893082646
1996	782.594753149623
1997	776.368113896459
1998	827.40717640213
1999	793.782123108751
2000	754.855211648053
2001	779.600307257858
2002	774.088722198857
2003	785.598967174033
2004	757.751261739293
2005	762.874429061505
2006	777.475817655257
2007	772.373364459987
2008	815.040394159403
2009	778.982257307486
2010	812.303874180219
2011	799.258375990871
2012	859.786590868207
2013	870.4018395762
2014	900.136918215285
2015	903.420053638706
2016	912.028581124979
2017	920.626617505734
2018	931.987507482683