Year	constant 2011 international $
1990	11391.1608258239
1991	12496.7236729294
1992	12606.3044333147
1993	12565.3993764542
1994	12080.4323924442
1995	12361.8078696699
1996	12585.4310811825
1997	12584.5256722406
1998	12780.9513936137
1999	12583.5939639669
2000	13227.5552696658
2001	13178.4787477811
2002	13989.2380243253
2003	15012.8289548361
2004	15435.2105068859
2005	15736.7128693696
2006	16372.7123151482
2007	17554.4089072023
2008	17415.9919486665
2009	17336.6653496321
2010	18141.5466943783
2011	18402.3170225816
2012	16938.387221861
2013	16695.5160280018
2014	17177.434231339
2015	16719.7079584761
2016	18710.1134128413
2017	19126.8422979468