| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 6.3 | -32.0% |
| 2024/12 | 9.3 | +26.5% |
| 2023/12 | 7.3 | -41.7% |
| 2022/12 | 12.5 | -12.7% |
| 2021/12 | 14.4 | +1742.2% |
| 2020/12 | 0.8 | -59.0% |
| 2019/12 | 1.9 | -75.5% |
| 2018/12 | 7.7 | +4.8% |
| 2017/12 | 7.4 | +3.9% |
| 2017/3 | 11.6 | +63.2% |
| 2016/3 | 7.1 | +151.7% |
| 2015/3 | 2.8 | +103.2% |
| 2014/3 | 1.4 | -77.9% |
| 2013/3 | 6.3 | -13.4% |
| 2012/3 | 7.3 | - |