Year	constant 2010 US$
2008	11150232647.9373
2009	13168679709.6164
2010	12599682053.0625
2011	13000049910.6539
2012	12789439142.1561
2013	12123287360.7575
2014	12664651868.5769
2015	13541928275.5918
2016	13844146723.4801
2017	16278145769.617
2018	16329975264.9488