Year	constant 2011 international $
1990	7932.98367018879
1991	8000.0102980745
1992	7933.16328537129
1993	8122.83556967522
1994	8352.07710516756
1995	8715.07261804015
1996	8651.57376384178
1997	8819.2886862172
1998	8635.68284204657
1999	8340.52787786441
2000	7983.97218244367
2001	7763.88464963016
2002	7616.97061308047
2003	7803.57681253138
2004	7981.94933397171
2005	8021.30162515084
2006	8280.20175014344
2007	8605.11081536382
2008	9027.60277403907
2009	8883.54125368419
2010	9740.68188010088
2011	10016.7703711715
2012	9827.01866754525
2013	10508.9432944214
2014	10870.7434394442
2015	11056.1334381666
2016	11381.3204923257
2017	11790.4615618001
2018	12063.0205202781