| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/5 | 0.2 | -53.8% |
| 2025/5 | 0.4 | -50.2% |
| 2024/5 | 0.9 | +342.2% |
| 2023/5 | 0.2 | +140.1% |
| 2022/5 | 0.1 | -128.1% |
| 2021/5 | -0.3 | -81.3% |
| 2020/5 | -1.6 | +59.6% |
| 2019/5 | -1.0 | -20.2% |
| 2018/5 | -1.2 | -449.7% |
| 2017/5 | 0.3 | +75.7% |
| 2016/5 | 0.2 | -130.7% |
| 2015/5 | -0.6 | -149.5% |
| 2014/5 | 1.3 | -9.8% |
| 2013/5 | 1.4 | +100.9% |
| 2012/5 | 0.7 | - |