| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 24.4 | +60.1% |
| 2024/12 | 15.2 | -21.2% |
| 2023/12 | 19.3 | -50.2% |
| 2022/12 | 38.8 | -42.8% |
| 2021/12 | 67.9 | +106.4% |
| 2020/12 | 32.9 | -42.7% |
| 2019/12 | 57.5 | -2.1% |
| 2018/12 | 58.7 | +11.7% |
| 2017/12 | 52.6 | -4.0% |
| 2016/12 | 54.8 | -4.7% |
| 2015/12 | 57.5 | -1.2% |
| 2014/12 | 58.2 | -0.3% |
| 2013/12 | 58.4 | +3.7% |
| 2012/12 | 56.3 | -0.2% |
| 2011/12 | 56.4 | - |