| Dividends (yen) |
2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 |
| Interim dividends pershare | 10.7 | 11.7 | 12.0 | 12.3 | 12.7 | 13.3 | 14.0 | 19.0 | 23.0 | 24.5 |
| Year-end dividends per share | 10.7 | 11.7 | 12.0 | 12.3 | 13.3 | 14.0 | 21.0 | 24.0 | 23.0 | 24.5 |
| Annual dividends | 21.3 | 23.3 | 24.0 | 24.7 | 26.0 | 27.3 | 35.0 | 43.0 | 46.0 | 49.0 |
| Dividend on equity ratio | 3.5% | 3.8% | 3.8% | 3.8% | 3.8% | 3.8% | 4.5% | 5.0% | 5.0% | 5.0% |
| Dividend payout ratio | 40.8% | 57.9% | 54.6% | 49.9% | 43.6% | 43.2% | 33.1% | 42.6% | 49.6% | 47.6% |
| Dividend yield | 2.6% | 3.8% | 3.2% | 2.7% | 2.9% | 1.9% | 1.8% | 2.4% | 2.8% | 1.9% |