| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2025/12 | 688,527 | +12.2% |
| 2024/12 | 613,765 | +17.1% |
| 2023/12 | 524,297 | +17.2% |
| 2022/12 | 447,216 | +24.4% |
| 2021/12 | 359,641 | +26.9% |
| 2020/12 | 283,416 | +17.4% |
| 2020/3 | 255,545 | +5.8% |
| 2019/3 | 241,427 | +10.0% |
| 2018/3 | 219,562 | +11.7% |
| 2017/3 | 196,511 | +17.8% |
| 2016/3 | 166,762 | +3.4% |
| 2015/3 | 161,286 | +10.0% |
| 2014/3 | 146,654 | +15.0% |
| 2013/3 | 127,489 | - |