Students
5.86M 2012
9.22M 2013
10.6M 2014
11.5M 2015
10.7M 2016
16.1M 2017
18.1M 2018
18M 2019
36.7M 2020
44M 2021
38.3M 2022
39.7M 2023
43.5M 2024
48.6M 2025