| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/1 | 9.01 | +21.7% |
| 2024/1 | 7.41 | +60.5% |
| 2023/1 | 4.61 | -48.1% |
| 2022/1 | 8.9 | +8635.2% |
| 2021/1 | 0.1 | -98.3% |
| 2020/1 | 6.02 | -38.3% |
| 2019/1 | 9.76 | +35.0% |
| 2018/1 | 7.23 | -24.2% |
| 2017/1 | 9.54 | -6.2% |
| 2016/1 | 10.16 | -7.1% |
| 2015/1 | 10.94 | -21.0% |
| 2014/1 | 13.85 | +3.1% |
| 2013/1 | 13.44 | +15.1% |
| 2012/1 | 11.68 | -36.4% |
| 2011/1 | 18.35 | - |