Year	constant 2011 international $
2000	3264.55941650526
2001	3498.33977859624
2002	3182.27057601719
2003	3063.58348718655
2004	4898.57565471723
2005	6500.73046309465
2006	9017.0831488933
2007	9309.06412248135
2008	10048.2322408921
2009	9275.52930425518
2010	9005.47841711757
2011	9860.33158639652
2012	10174.2619817543
2013	8887.082087728
2014	6466.73770778252
2015	7657.27833509449
2016	7566.01832734066
2017	6740.89019167507
2018	6795.51033056756