Year	constant 2010 US$
2007	3567086602.68374
2008	3285471257.04592
2009	2696357482.49209
2010	2626909424.02382
2011	2840957435.52924
2012	2700226841.57656
2013	2852411355.0502
2014	2938616359.03568
2015	2797084144.87426
2016	2799134442.71583
2017	2928996916.53086