Year	constant 2011 international $
1990	2709.27324617138
1991	2695.71842325624
1992	2707.49243110052
1993	2674.42957279066
1994	2690.2591714878
1995	2759.12839607014
1996	2858.49910663962
1997	2912.12605842305
1998	3004.72858168443
1999	3125.55031355655
2000	3198.02312874252
2001	3301.06417077359
2002	3404.10143688874
2003	3568.9264107577
2004	3764.87853196036
2005	3940.68689676537
2006	4173.2112657755
2007	4403.83260860463
2008	4512.65299261832
2009	4663.44914486043
2010	4901.08178449238
2011	5060.37015426696
2012	5236.25132471295
2013	5436.20529197899
2014	5684.79968496409
2015	5941.89576964185
2016	6214.81558389033
2017	6471.50368850982
2018	6777.40451111261
