Year	constant 2011 international $
1990	10417.0044016651
1991	10495.257916302
1992	10345.6095224785
1993	9486.14108919701
1994	9649.17652634381
1995	9501.85685331667
1996	9460.65603311825
1997	9868.94765916173
1998	9971.4444873644
1999	9714.50901731208
2000	9801.33186564402
2001	10092.3380921282
2002	10253.239058621
2003	10771.7153852569
2004	11551.4940123506
2005	11931.496369202
2006	12477.8502634359
2007	12963.0867165552
2008	13345.8367445651
2009	13591.1489983791
2010	14130.5487619727
2011	14788.0679987466
2012	15015.7227033505
2013	15285.4533061068
2014	15158.8191968362
2015	14488.0253254679
2016	13543.1668809036
2017	13636.2755079176
2018	13775.9369527074