Year	constant 2011 international $
1990	23099.1151944704
1991	21231.3772438462
1992	21293.9575328511
1993	22228.4706781873
1994	23146.1384394654
1995	24019.2209364457
1996	24212.7520596883
1997	24724.6044791937
1998	25063.7920197957
1999	25927.6102482119
2000	26614.5697376607
2001	27527.1804730203
2002	28331.5003452558
2003	29104.51468417
2004	29557.9552051728
2005	29945.4802952392
2006	30358.3439963843
2007	30778.4106092717
2008	30196.7442208766
2009	30815.9582463747
2010	30642.7272153412
2011	31252.2174305537
2012	31910.9005290426
2013	32520.7481199178
2014	33192.867817601
2015	33982.7126420833
2016	34537.8726512372
2017	34668.0639387905