Year	constant 2010 US$
2006	300.067310493248
2007	289.797985071766
2008	288.235492193758
2009	288.059998759828
2010	303.727248206338
2011	297.340347466889
2012	311.786153943569
2013	308.306994868735
2014	318.482079064774
2015	317.003769441932
2016	326.215126588487
2017	320.711699329389