Year	constant 2015 US$
2015	54443169605.215454
2016	56011362972.0116
2017	55672439995.01152
2018	58307456192.53104
2019	60537734408.848236
2020	57048433008.33724
2021	58586426146.75045
2022	58316649665.07815
2023	52426991860.18625
