Year	constant 2011 international $
1990	3207.62033434761
1991	3013.99652018588
1992	3108.00536843263
1993	3218.01914767489
1994	3135.02099766665
1995	3235.7258370438
1996	3203.2341721807
1997	3255.81443907376
1998	3277.97958335838
1999	3163.96501115525
2000	3303.08241240925
2001	3303.88157447524
2002	3340.18358805427
2003	3405.05822646035
2004	3529.54181020842
2005	3654.76309695388
2006	3805.34107617472
2007	3950.67096744404
2008	4028.87709907878
2009	3849.00996839996
2010	3912.6035957246
2011	3984.49726718677
2012	4072.16783799912
2013	4110.75813846325
2014	4162.16694210136
2015	4247.38174923163
2016	4337.58358457438
2017	4468.99905807769
2018	4559.73650835258