Year	constant 2015 US$
2013	2115156907.0285687
2014	2304132918.8735404
2015	2500358047.163813
2016	2633194977.8196435
2017	2730169726.1187525
2018	2849598977.0647025
2019	2936486466.603572
2020	2973292266.907379
2021	3151387662.0044394
2022	3384471747.486889
2023	3480184962.1252165