Year	constant 2010 US$
2007	3016.21220021295
2008	4034.2856958548
2009	4362.47204290283
2010	4920.94549912269
2011	5467.51757917887
2012	5889.00658303385
2013	7508.03879393444
2014	9357.82537793734
2015	9140.9300433912
2016	9647.67794393444
2017	10183.5188328149
2018	9962.38892408896