Year	constant 2015 US$
2010	2836456201886.6123
2011	2924077233873.8823
2012	3007452350242.9062
2013	3093163105856.115
2014	3215733549203.567
2015	3128419335282.6924
2016	3287153442340.9985
2017	3408318927181.802
2018	3438586282608.365
2019	3469026874170.9414
2020	3374059825513.1143