| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 5.8 | +18.4% |
| 2024/12 | 4.9 | +69.1% |
| 2023/12 | 2.9 | -26.2% |
| 2022/12 | 4.0 | -20.4% |
| 2021/12 | 5.0 | +554.8% |
| 2020/12 | 0.8 | -67.0% |
| 2019/12 | 2.3 | +510.3% |
| 2018/12 | 0.4 | -81.2% |
| 2018/3 | 3.8 | +92.2% |
| 2017/3 | 2.0 | -37.2% |
| 2016/3 | 3.2 | -19.1% |
| 2015/3 | 3.9 | -12.1% |
| 2014/3 | 4.5 | +14.3% |
| 2013/3 | 3.9 | +71.5% |
| 2012/3 | 2.3 | - |