Year	constant 2011 international $
1990	9920.19243472873
1991	10113.6566435901
1992	10226.5458787174
1993	10447.9090423597
1994	10757.0970466508
1995	10683.8821654074
1996	10902.5208793983
1997	11300.123261756
1998	11394.6817294207
1999	11226.8513838981
2000	11466.53921009
2001	11366.7450805138
2002	11229.0048508876
2003	11288.2971820264
2004	11817.9046184062
2005	12174.1268071617
2006	12674.6124034437
2007	13214.3773328126
2008	13569.0415456384
2009	13132.6122899874
2010	13771.5999325221
2011	14241.0494272349
2012	14487.1298970488
2013	14739.9312152692
2014	14767.0975779492
2015	14697.3845086353
2016	14557.3375965728
2017	14679.5884778692
2018	14772.6253609928