| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2021 | 760M | 30 Jun 2021 | 6-K | 30 Sep 2021 | ||
| Q4 2020 | 73.6M | -3.54M | -4.59% | 31 Dec 2020 | 6-K | 30 Sep 2021 |
| Q4 2019 | 77.2M | -22.5M | -22.6% | 31 Dec 2019 | 20-F | 14 Apr 2021 |
| Q4 2018 | 99.7M | -76.2M | -43.3% | 31 Dec 2018 | 20-F | 11 Dec 2020 |
| Q4 2017 | 176M | -33.5M | -16% | 31 Dec 2017 | 20-F | 11 Dec 2020 |
| Q4 2016 | 209M | +51.7M | +32.7% | 31 Dec 2016 | 20-F | 27 Apr 2018 |
| Q4 2015 | 158M | -54K | -0.03% | 31 Dec 2015 | 20-F | 28 Apr 2017 |
| Q4 2014 | 158M | +39.3M | +33.2% | 31 Dec 2014 | 20-F | 28 Apr 2016 |
| Q4 2013 | 119M | -163M | -57.9% | 31 Dec 2013 | 20-F | 27 Apr 2015 |
| Q4 2012 | 281M | 31 Dec 2012 | 20-F/A | 25 Apr 2014 |