| Period | Value | YoY Chg | Change % | Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|
| Q4 2024 | 45,994,517 | -206,700 | -0.45% | 31 Dec 2024 | 20-F | 15 May 2025 | 2024 | FY |
| Q4 2023 | 46,201,217 | -245,700 | -0.53% | 31 Dec 2023 | 20-F | 15 May 2025 | 2024 | FY |
| Q4 2022 | 46,446,917 | -240,600 | -0.52% | 31 Dec 2022 | 20-F | 25 Apr 2024 | 2023 | FY |
| Q4 2021 | 46,687,517 | -129,500 | -0.28% | 31 Dec 2021 | 20-F/A | 11 Sep 2023 | 2022 | FY |
| Q4 2020 | 46,817,017 | +972,900 | +2.1% | 31 Dec 2020 | 20-F/A | 11 Sep 2023 | 2022 | FY |
| Q4 2019 | 45,844,117 | -401,800 | -0.87% | 31 Dec 2019 | 20-F | 01 Apr 2022 | 2021 | FY |
| Q4 2018 | 46,245,917 | -1,536,500 | -3.2% | 31 Dec 2018 | 20-F | 31 Mar 2021 | 2020 | FY |
| Q4 2017 | 47,782,417 | -392,000 | -0.81% | 31 Dec 2017 | 20-F | 27 Mar 2020 | 2019 | FY |
| Q4 2016 | 48,174,417 | +2,512,000 | +5.5% | 31 Dec 2016 | 20-F | 28 Mar 2019 | 2018 | FY |
| Q4 2015 | 45,662,417 | -149,000 | -0.32% | 31 Dec 2015 | 20-F | 29 Mar 2018 | 2017 | FY |
| Q4 2014 | 45,811,417 | -452,500 | -0.98% | 31 Dec 2014 | 20-F | 30 Mar 2017 | 2016 | FY |
| Q4 2013 | 46,263,917 | -276,000 | -0.59% | 31 Dec 2013 | 20-F | 30 Mar 2016 | 2015 | FY |
| Q4 2012 | 46,539,917 | +1,970,700 | +4.4% | 31 Dec 2012 | 20-F | 31 Mar 2015 | 2014 | FY |
| Q3 2012 | 44,610,917 | +373,524 | +0.84% | 30 Sep 2012 | 10-Q | 13 Nov 2012 | 2012 | Q3 |
| Q2 2012 | 44,674,717 | +643,488 | +1.5% | 30 Jun 2012 | 10-Q | 09 Aug 2012 | 2012 | Q2 |
| Q1 2012 | 44,679,217 | 31 Mar 2012 | 10-Q | 14 May 2012 | 2012 | Q1 | ||
| Q4 2011 | 44,569,217 | +1,608,038 | +3.7% | 31 Dec 2011 | 20-F | 03 Apr 2013 | 2012 | FY |
| Q3 2011 | 44,237,393 | 30 Sep 2011 | 10-Q | 10 Nov 2011 | 2011 | Q3 | ||
| Q2 2011 | 44,031,229 | 30 Jun 2011 | 10-Q | 11 Aug 2011 | 2011 | Q2 | ||
| Q4 2010 | 42,961,179 | 31 Dec 2010 | 10-K | 30 Mar 2012 | 2011 | FY |