Year	constant 2010 US$
2006	4244143337.66449
2007	4255799040.17493
2008	4395852973.78172
2009	4563772872.33179
2010	5000573007.65036
2011	5088908982.55276
2012	5548294160.58121
2013	5704991251.33477
2014	6127645202.89266
2015	6340602566.10722
2016	6781633419.79756
2017	6928165504.83555