Year	constant 2011 international $
1990	6794.37046343215
1991	8126.12893009519
1992	9163.46540506763
1993	9473.58833267004
1994	9886.81541154418
1995	10228.2428538027
1996	10996.6365619339
1997	10880.7680127092
1998	11049.641003122
1999	10871.4999243435
2000	10816.7307312228
2001	10567.5011796641
2002	9972.37868500137
2003	8531.80038673235
2004	10098.768106071
2005	10413.0834122523
2006	10622.9571159082
2007	11851.6393106523
2008	12767.2557990044
2009	13629.86827156
2010	14211.8234415799
2011	13758.8601678395
2012	13290.6979733048
2013	12771.0607452071
2014	12197.0858761448
2015	11754.5352126804
2016	11546.7754642455
2017	11634.507409091
2018	11136.249498098