Year	constant 2011 international $
2001	800.24884954586
2002	970.118254451373
2003	1017.02293990603
2004	1034.63884922504
2005	1039.69363704955
2006	1052.85072659586
2007	1183.97439171664
2008	1251.36212016908
2009	1274.84906688516
2010	1221.85091503596
2011	1237.89924234423
2012	1459.94799693813
2013	1660.64731432286
2014	1672.98343829836
2015	1308.68479063982
2016	1228.0009453331
2017	1360.41452025242
