Year	constant 2011 international $
1990	9632.81595888361
1991	9532.59731016195
1992	10162.6061267325
1993	10104.3374241345
1994	10147.4115769389
1995	10199.1867177334
1996	10358.7460276639
1997	10145.1297092812
1998	10634.3564342709
1999	10779.3030173805
2000	10665.2408275801
2001	10207.3280647696
2002	10171.8335447217
2003	10530.4392306707
2004	11205.9587827522
2005	11050.6457101938
2006	11595.898147784
2007	11676.2606442673
2008	12086.3799239096
2009	11757.7980866788
2010	11667.2423211692
2011	12049.2093550579
2012	11936.4748838615
2013	11641.1105393684
2014	11590.5330285192
2015	11568.2649189651
2016	11958.3528183183
2017	12333.6630222489
2018	12343.6612737568