| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/1 | 5.4 | +25.4% |
| 2024/1 | 4.3 | -351.6% |
| 2023/1 | -1.7 | -112.2% |
| 2022/1 | 14.1 | +144.5% |
| 2021/1 | 5.8 | +103.5% |
| 2020/1 | 2.8 | -71.9% |
| 2019/1 | 10.1 | +21.0% |
| 2018/1 | 8.3 | -14.0% |
| 2017/1 | 9.7 | -19.9% |
| 2016/1 | 12.1 | -5.0% |
| 2015/1 | 12.7 | +46.8% |
| 2014/1 | 8.7 | -6107.5% |
| 2013/4 | -0.1 | -104.7% |
| 2012/4 | 3.1 | -15.8% |
| 2011/4 | 3.6 | - |