Year	constant 2010 US$
2006	2189701340.57101
2007	2773247216.82053
2008	3447701346.4691
2009	3514790446.69847
2010	4031045253.46422
2011	4403554333.88273
2012	4860239650.09146
2013	5341535602.30962
2014	5375199037.66489
2015	5216480594.21555
2016	4990469194.50072
2017	4972058645.4737
2018	5051410306.84205