| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2020 | 21M | +21M | 31 Dec 2020 | 40-F | 19 Feb 2021 | |
| Q4 2019 | 0 | -13.3M | -100% | 31 Dec 2019 | 40-F | 19 Feb 2021 |
| Q4 2018 | 13.3M | 0 | 0% | 31 Dec 2018 | 40-F | 19 Feb 2021 |
| Q4 2017 | 13.3M | 0 | 0% | 31 Dec 2017 | 40-F | 19 Feb 2021 |
| Q4 2016 | 13.3M | -1.8M | -11.9% | 31 Dec 2016 | 40-F | 21 Feb 2020 |
| Q4 2015 | 15.1M | -1.9M | -11.2% | 31 Dec 2015 | 40-F | 22 Feb 2019 |
| Q4 2014 | 17M | -1M | -5.56% | 31 Dec 2014 | 40-F | 23 Feb 2018 |
| Q4 2013 | 18M | -500K | -2.7% | 31 Dec 2013 | 40-F | 24 Feb 2017 |
| Q4 2012 | 18.5M | +4.9M | +36% | 31 Dec 2012 | 40-F | 19 Feb 2016 |
| Q4 2011 | 13.6M | +400K | +3.03% | 31 Dec 2011 | 40-F | 20 Feb 2015 |
| Q4 2010 | 13.2M | 31 Dec 2010 | 40-F | 21 Feb 2014 |