Year	constant 2010 US$
2008	189373080998.895
2009	216780767944.066
2010	238420057626.663
2011	209912189216.642
2012	248367891363.837
2013	281464542457.216
2014	289381221018.891
2015	276945408894.71
2016	260798789842.167
2017	266644338050.539