Year	constant 2011 international $
1990	10341.6588029645
1991	10314.9295241109
1992	10092.9675038401
1993	10389.4047378607
1994	10766.2892171718
1995	11062.294897467
1996	11128.276658177
1997	11327.5407816869
1998	11193.3811754373
1999	11080.4243305743
2000	11403.0670561878
2001	11404.5916164246
2002	11599.5501892547
2003	11585.2901091511
2004	12106.2895350968
2005	12351.6001763102
2006	12701.7376680735
2007	13333.6116055629
2008	13874.210830321
2009	13724.0996531641
2010	14619.5110785703
2011	15061.9566296437
2012	15214.7654836184
2013	15535.6279086956
2014	15480.8680489801
2015	14807.2205545288
2016	14200.3166718022
2017	14236.0177474186
2018	14282.7218225755