| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/1 | 22.57 | +9.2% |
| 2024/1 | 20.67 | +9.3% |
| 2023/1 | 18.9 | +46.8% |
| 2022/1 | 12.87 | -10.7% |
| 2021/1 | 14.42 | +60.2% |
| 2020/1 | 9.0 | -641.9% |
| 2019/1 | -1.66 | -93.9% |
| 2018/1 | -27.1 | +5.1% |
| 2017/1 | -25.79 | +3081.3% |
| 2016/1 | -0.81 | -124.5% |
| 2015/1 | 3.3 | -73.2% |
| 2014/1 | 12.31 | -8.2% |
| 2013/1 | 13.41 | -18.1% |
| 2012/1 | 16.38 | +17.5% |
| 2011/1 | 13.94 | - |