Year	constant 2011 international $
1990	2239.04045442701
1991	2191.90829285754
1992	2187.79064925083
1993	2086.9013638445
1994	2050.5515213087
1995	2039.09050472224
1996	2095.15148203206
1997	2121.57840365474
1998	2140.31552406704
1999	2131.97902033824
2000	2084.36102201236
2001	2164.82481636983
2002	2314.87915689045
2003	2374.45784728175
2004	2461.48237803771
2005	2538.49553458832
2006	2710.08694347342
2007	2810.14780549899
2008	2896.95213351303
2009	2988.78619765321
2010	3057.78092129532
2011	3152.20193980849
2012	3202.36894796871
2013	3229.6980142999
2014	3420.34610468225
2015	3478.84772467836
2016	3428.02179335425
2017	3405.0201687597