Year	constant 2011 international $
2005	21113.4541299892
2006	26833.5740479977
2007	30140.8442577818
2008	29473.105112012
2009	29597.8019224023
2010	21715.6272795889
2011	22402.1598053556
2012	23988.4305610774
2013	23246.86747278
2014	22773.4878835516
2015	23455.8692355005
2016	21364.663655653
2017	19494.2397782328
