| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 3.2 | - |
| 2024/12 | 7.1 | +166.6% |
| 2023/12 | 2.7 | -25.7% |
| 2022/12 | 6.2 | +122.9% |
| 2022/1 | 3.6 | +28.8% |
| 2021/1 | 2.8 | - |
| 2019/12 | 6.4 | +20.8% |
| 2018/12 | 5.3 | +62.0% |
| 2017/12 | 3.2 | -52.4% |
| 2016/12 | 5.9 | +23.9% |
| 2016/1 | 6.8 | +44.5% |
| 2015/1 | 4.7 | - |
| 2013/12 | 4.7 | +21.2% |
| 2012/12 | 3.9 | +40.5% |
| 2011/12 | 3.8 | - |
| 2011/1 | 2.8 | - |