| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2019 | 535B | +49.7B | +10.2% | 30 Jun 2019 | 6-K | 14 Aug 2019 |
| Q4 2018 | 491B | +13.5B | +2.83% | 31 Dec 2018 | 20-F | 22 Mar 2019 |
| Q2 2018 | 485B | 30 Jun 2018 | 6-K | 08 Aug 2018 | ||
| Q4 2017 | 478B | +22B | +4.83% | 31 Dec 2017 | 20-F | 22 Mar 2019 |
| Q4 2016 | 456B | 31 Dec 2016 | 20-F/A | 28 Mar 2018 |