Year	constant 2015 US$
2007	5667452667.915552
2008	5980673483.353701
2009	6723525178.707748
2010	7123983291.20005
2011	7323575910.296928
2012	8004209793.866034
2013	8791388705.135918
2014	9374502922.460775
2015	8592251205.929285
2016	8123641553.367826
2017	8167014529.430773
2018	8269278764.162778
2019	8384073323.178188
2020	8452899294.765401
2021	8594965635.945333
2022	8812771468.282322
2023	8977617060.809727