Year	constant 2010 US$
2010	3025833928.85908
2011	4924895962.9176
2012	5782904449.17787
2013	5861061247.80243
2014	4098987941.98535
2015	3014379558.38788
2016	3078458708.5121
2017	4601127529.04395
2018	5854397952.35922