Year	constant 2015 US$
2015	16937417044.063118
2016	17762977333.365437
2017	19123521930.75372
2018	20151422349.777668
2019	20494838835.3267
2020	14436814120.750708
2021	15897313962.963375
2022	17522295681.78103
2023	19504403136.261463