Year	constant 2011 international $
1990	14122.9048438298
1991	13520.054993925
1992	12528.7876458535
1993	12634.3858363395
1994	13062.1220131551
1995	13273.1884767781
1996	13743.1076362884
1997	14333.4708323268
1998	14806.1738450206
1999	14793.1817343137
2000	15391.3786328451
2001	14971.1563938279
2002	15040.0936375434
2003	15314.4862253504
2004	15476.0708387794
2005	16030.7715675938
2006	16869.0407233028
2007	17091.3273184884
2008	17036.2202107418
2009	16291.991456797
2010	16275.7751679577
2011	16333.1991160155
2012	16337.9561957994
2013	16305.1797115706
2014	16277.8399661037
2015	16396.2920104355
2016	16697.7707625128
2017	16839.0005826426