Year	constant 2011 international $
1990	35113.3329386605
1991	37997.0157678585
1992	39506.2543106561
1993	43499.3325600785
1994	42334.7607604188
1995	42896.8664431987
1996	43504.6619595279
1997	43624.0860994201
1998	44315.6036741833
1999	44562.6198297107
2000	44942.5718887191
2001	43887.3228579182
2002	43147.6137627419
2003	43187.6655661525
2004	43355.5146330748
2005	43202.0010332985
2006	42672.9025339293
2007	42754.2705604807
2008	42216.2168127031
2009	40715.5655681997
2010	40570.6010838268
2011	40168.2907691653
2012	40968.9667404492
2013	42692.5994262462
2014	43847.909052323
2015	43926.6021157475
2016	43731.7655947883
2017	43320.4403591545
2018	41973.301995935