Year	constant 2010 US$
2007	13372911644.375
2008	13435452684.2027
2009	12666259657.4282
2010	12706504065.0407
2011	12953233913.7014
2012	13136330858.5619
2013	13071298555.9387
2014	13153951687.1709
2015	13132391161.0251
2016	13151347899.9125
2017	13472183942.4153