Year	constant 2011 international $
2004	25586.788368471
2005	26694.7319783528
2006	28025.7599306164
2007	29483.4871931567
2008	30313.3761576553
2009	27962.563377993
2010	28291.3892886862
2011	28411.1143532663
2012	27545.2824379189
2013	27252.7428600294
2014	28148.8034134301
2015	28128.2701380956
2016	29114.0836662521
2017	30777.3032153258