Year	constant 2011 international $
1990	7009459333.11969
1991	9428618984.19777
1992	10055104237.5548
1993	9759041005.2288
1994	9986146901.52852
1995	10348590282.5408
1996	10811069284.897
1997	11439611166.5256
1998	12047000887.8851
1999	12457959368.1581
2000	13179482326.8251
2001	13817340294.3555
2002	14420976618.9882
2003	14660255931.5237
2004	14943344683.9495
2005	15450799391.5258
2006	15891425267.9792
2007	16648789238.7173
2008	17184704988.6228
2009	17475354084.4831
2010	18003832189.1147
2011	18475319882.7311
2012	19228379983.3201
2013	19964828939.0084
2014	20810243887.5774
2015	21902697161.1068
2016	23150479496.1061
2017	24491934895.4036
2018	23317046928.6361