| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/1 | -20.2 | -83.2% |
| 2024/1 | -119.9 | -1255.9% |
| 2023/1 | 10.4 | -44.7% |
| 2022/1 | 18.8 | +77.4% |
| 2021/1 | 10.6 | +29.9% |
| 2020/1 | 8.1 | -19.1% |
| 2019/1 | 10.1 | -1.2% |
| 2018/1 | 10.2 | -24.1% |
| 2017/1 | 13.4 | +222.9% |
| 2016/1 | 4.2 | -36.5% |
| 2015/1 | 6.5 | -130.3% |
| 2014/1 | -21.6 | -50298.2% |
| 2013/1 | 0.0 | -99.8% |
| 2012/1 | 19.6 | +12.3% |
| 2011/1 | 17.5 | - |