| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2018 | 195B | -695M | -0.36% | 31 Dec 2018 | 20-F | 25 Apr 2019 |
| Q4 2017 | 195B | -10.8B | -5.26% | 31 Dec 2017 | 20-F | 25 Apr 2019 |
| Q4 2016 | 206B | +22.2B | +12% | 31 Dec 2016 | 20-F | 25 Apr 2019 |
| Q4 2015 | 184B | +23.6B | +14.7% | 31 Dec 2015 | 20-F | 25 Apr 2019 |
| Q4 2014 | 161B | 31 Dec 2014 | 20-F | 30 Apr 2018 |