| （単位：百万円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,292 | +66.9% |
| 2025/5 | 774 | +21.7% |
| 2024/5 | 636 | +22.8% |
| 2023/5 | 518 | +55.0% |
| 2022/5 | 334 | -56.2% |
| 2021/5 | 763 | +86.9% |
| 2020/5 | 408 | +29.3% |
| 2019/5 | 315 | +32.2% |
| 2018/5 | 238 | +701.7% |
| 2017/5 | 29 | -78.2% |
| 2016/5 | 136 | -44.2% |
| 2015/5 | 245 | -20.2% |
| 2014/5 | 307 | +85.4% |
| 2013/5 | 165 | +25.3% |
| 2012/5 | 132 | +998.3% |
| 2011/5 | 12 | - |