Annual data
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
0.00
7.00 M
14.00 M
21.00 M
28.00 M
Period
Value
Change
Change %
2021
12.28 M
−8.77 M
−41.66%
2020
21.04 M
−3.77 M
−15.18%
2019
24.81 M
−5.16 M
−17.23%
Semiannual data
Period
Value
Change
Change %