Year	constant 2015 US$
2015	24059662018.818287
2016	27272485958.619724
2017	30563022236.835884
2018	30757457099.71666
2019	27512235278.734596
2020	25149662315.127186
2021	26890501469.775135
2022	20355161408.988136
2023	18461867716.08066