Year	constant 2015 US$
2010	948041468376.28
2011	933517518839.1743
2012	943732649993.1652
2013	943182436555.0735
2014	986522699922.866
2015	909717725618.7719
2016	1008339014319.9644
2017	1063004514797.7104
2018	1053321022310.5483
2019	1013358830787.8872