Year	constant 2011 international $
1990	11364.2607968025
1991	12480.8510419382
1992	12594.1733068327
1993	12524.1464836355
1994	12158.3626177656
1995	12263.4432724508
1996	12721.4104196796
1997	12612.3832791824
1998	12718.7432540381
1999	12663.4348576641
2000	13237.2454314066
2001	13174.5469132978
2002	13956.2325807825
2003	14988.5447012211
2004	15456.2788721584
2005	15763.8752333278
2006	16366.1378656777
2007	17506.9538320366
2008	17360.0498778945
2009	17341.5529567779
2010	18138.6482389898
2011	18400.9062905794
2012	16827.022340846
2013	16587.4977361131
2014	17130.7320329716
2015	16683.4316065827
2016	18663.5367196606
2017	19097.9667811982
