Year	constant 2011 international $
1990	34576.1857617183
1991	35662.6505638708
1992	37500.2425708315
1993	39878.4887827194
1994	43909.642158665
1995	45937.6832773843
1996	46719.4168230257
1997	50260.8005172661
1998	47286.3977179299
1999	49422.4680416299
2000	52045.7133043414
2001	50090.515880501
2002	50855.7552597769
2003	53580.1029193133
2004	55941.038424949
2005	58889.7944541642
2006	64304.2730312273
2007	67296.0537165793
2008	64408.9028287323
2009	61564.6079670356
2010	72279.5967391871
2011	73421.6863734046
2012	74094.2669282512
2013	75741.6817488872
2014	79236.3750896907
2015	77685.9453766037
2016	78758.8907030418
2017	81500.4968574552
2018	83792.674315694