Year	constant 2010 US$
2006	13505179792.7812
2007	14468074084.1065
2008	15217711112.616
2009	14545647050.8566
2010	14558141125.4825
2011	14530820071.7817
2012	14437992821.8325
2013	14445410713.0765
2014	14725414099.0045
2015	14988772939.6628
2016	15329277442.9471
2017	15568980158.4614
2018	15790286449.5158