Year	constant 2011 international $
2000	3091.58819668419
2001	3267.59099701484
2002	3903.60336357832
2003	3924.06780834789
2004	4129.77071622566
2005	4515.7424592689
2006	4751.49172278164
2007	5327.02991173225
2008	5437.27667627607
2009	5863.14651953668
2010	5817.88267168349
2011	5795.86997126746
2012	6128.32726949393
2013	6293.95302051719
2014	6483.73586508891
2015	6439.79323111127
2016	6050.82897266436
2017	5950.00825724414