| 1 October - 31 December 2022 |
Buyback of 17,188,700 shares, with total Treasury shares of 483,254,600 |
6,186,488,888 |
20 |
| 1 July - 30 September 2022 |
Buyback of 22,994,900 shares, with total Treasury shares of 466,065,900 |
6,186,488,888 |
20 |
| 1 April - 30 June 2022 |
Buyback of 15,046,100 shares, with total Treasury shares of 443,071,000 |
6,186,488,888 |
20 |
| 1 January - 31 March 2022 |
Buyback of 154,612,400 shares, with total Treasury shares of 428,024,900 |
6,186,488,888 |
20 |
| 1 October - 31 December 2021 |
Buyback of 140,520,600 shares, with total Treasury shares of 273,412,500 |
6,186,488,888 |
20 |
| 1 July - 30 September 2021 |
Buyback of 63,707,900 shares, with total Treasury shares of 132,891,900 |
6,186,488,888 |
20 |
| 1 April - 30 June 2021 |
Buyback of 69,184,000 shares |
6,186,488,888 |
20 |
| 1 July - 30 September 2020 |
Sales of 375,033,700 Buyback shares |
6,186,488,888 |
20 |
| 1 April - 30 June 2022 |
Buyback of 67,384,400 shares, with the total Treasury shares of 375,033,700 |
6,186,488,888 |
20 |
| 1 January - 30 March 2022 |
Buyback of 227,988,600 shares, with the total Treasury shares of 307,649,300 |
6,186,488,888 |
20 |
| 1 July - 30 September 2018 |
Buyback of 79,660,700 shares |
6,186,488,888 |
20 |
| 1 October - 31 December 2017 |
Sales of 700,000 Buyback shares |
6,186,488,888 |
20 |
| 9 September 2017 |
Limited Public Offering I of 1,124,688,888 shares (Rights Issue) |
6,186,488,888 |
20 |
| 1 July - 30 September 2015 |
Buyback of 700,000 shares |
5,061,800.000 |
20 |
| 29 November 2013 |
Stock split 1:5 |
5,061,800,000 |
20 |
| 28 June 2010 |
Initial Public Offering (IPO) of 151,854,000 shares |
1,012,360,000 |
100 |