| （単位：百万円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 339 | -59.9% |
| 2025/5 | 845 | -26.2% |
| 2024/5 | 1,145 | +39.7% |
| 2023/5 | 820 | +252.0% |
| 2022/5 | 232 | -41.1% |
| 2021/5 | 395 | -16.5% |
| 2020/5 | 473 | -32.8% |
| 2019/5 | 704 | -24.5% |
| 2018/5 | 934 | +14.4% |
| 2017/5 | 816 | -1.8% |
| 2016/5 | 831 | +49.5% |
| 2015/5 | 556 | +226.6% |
| 2014/5 | 170 | -33.3% |
| 2013/5 | 255 | -47.9% |
| 2012/5 | 490 | +53.2% |
| 2011/5 | 320 | - |