| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/3 | 486,089 | +9.1% |
| 2025/3 | 445,499 | +12.0% |
| 2024/3 | 397,846 | +9.6% |
| 2023/3 | 362,989 | +16.9% |
| 2022/3 | 310,592 | -9.8% |
| 2021/3 | 344,438 | -1.9% |
| 2020/3 | 350,934 | +5.9% |
| 2019/3 | 331,306 | +5.0% |
| 2018/3 | 315,631 | -8.7% |
| 2017/3 | 345,693 | 0.0% |
| 2016/3 | 345,674 | -0.2% |
| 2015/3 | 346,441 | +8.8% |
| 2014/3 | 318,433 | +9.1% |
| 2013/3 | 291,990 | - |