| 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | 2026/03 | |
| Net assets per share | 64.46 | 51.19 | 59.36 | 62.93 | 67.32 | 68.49 | 49.79 | 64.94 | 70.55 | 82.53 |
| Net income per share | 439.04 | 460.66 | 478.26 | 493.26 | 568.93 | 590.21 | 614.09 | 681.58 | 715.10 | 790.37 |
| Dividend | 28 | 28 | 28 | 28 | 30 | 32 | 32 | 33 | 34 | 36 |
| Payout ratio | 43.4％ | 54.7％ | 47.2％ | 44.5％ | 44.6％ | 46.7％ | 64.8％ | 50.8％ | 48.2％ | 43.6％ |