Year	current US$
2011	5580219780.21978
2012	8851373626.37363
2013	10294368131.868183
2014	12774725274.725248
2015	14102747252.747232
2016	14549725274.725224
2017	17527197802.197845
2018	17779670329.670357
2019	18335714285.71425
2020	18377747252.74725
2021	17677747252.747208
2022	29799725274.72527
2023	30284340659.34071