Year	current US$
2013	3197791277.3392
2014	3507482741.488063
2015	3525582232.8256087
2016	2703006397.6682553
2017	4146589316.963105
2018	4563067954.8280735
2019	5149667174.954
2020	3682879344.5906787
2021	4842477816.352597
2022	6209581201.9963875
2023	6930852349.469111