| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/3 | 31,401 | +4.0% |
| 2025/3 | 30,194 | +7.7% |
| 2024/3 | 28,044 | +15.7% |
| 2023/3 | 24,235 | +22.3% |
| 2022/3 | 19,819 | +25.4% |
| 2021/3 | 15,800 | +7.1% |
| 2020/3 | 14,752 | +18.0% |
| 2019/3 | 12,501 | +26.2% |
| 2018/3 | 9,907 | +30.1% |
| 2017/3 | 7,612 | +29.1% |
| 2016/3 | 5,895 | +25.4% |
| 2015/3 | 4,702 | +114.1% |
| 2014/3 | 2,196 | +334.0% |
| 2013/3 | 506 | - |