| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2021 | 5,496,000 | -18,400,000 | -77% | 31 Dec 2021 | 20-F | 02 May 2022 |
| Q4 2020 | 23,896,000 | +17,449,000 | +2.7% | 31 Dec 2020 | 20-F | 02 May 2022 |
| Q4 2019 | 6,447,000 | +2,217,000 | +52.4% | 31 Dec 2019 | 20-F | 07 Apr 2021 |
| Q4 2018 | 4,230,000 | -1,296,000 | -23.5% | 31 Dec 2018 | 20-F | 06 Apr 2020 |
| Q4 2017 | 5,526,000 | +159,000 | +3% | 31 Dec 2017 | 20-F | 23 Apr 2019 |
| Q4 2016 | 5,367,000 | +1,741,000 | +48% | 31 Dec 2016 | 20-F | 24 Apr 2018 |
| Q4 2015 | 3,626,000 | 31 Dec 2015 | 20-F | 25 Apr 2017 |