Year	current international $
2013	3702243662.446249
2014	3978451293.0072784
2015	4350576767.066873
2016	4598427635.850817
2017	4933188997.997093
2018	5448498817.367587
2019	5876855745.749742
2020	6188058972.135447
2021	6669027120.132229
2022	7404763025.146676
2023	8187076864.876632