Year	constant 2010 US$
2006	2565932803.80408
2007	2534645087.70733
2008	2568653474.76902
2009	2717950293.96981
2010	2794469164.8586
2011	2818275035.80178
2012	2986276467.8865
2013	3125710854.83941
2014	3231985023.90395
2015	3147953428.24614