| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 20.9 | -28.7% |
| 2024/12 | 29.3 | -8.8% |
| 2023/12 | 32.1 | -28.5% |
| 2022/12 | 44.9 | -14.4% |
| 2021/12 | 52.5 | +33.7% |
| 2020/12 | 39.3 | +4.0% |
| 2019/12 | 37.7 | -19.4% |
| 2018/12 | 46.8 | -2.9% |
| 2017/12 | 48.2 | +4.0% |
| 2016/12 | 46.3 | -8.4% |
| 2015/12 | 50.6 | +8.7% |
| 2014/12 | 46.5 | +18.1% |
| 2013/12 | 39.4 | +40.2% |
| 2012/12 | 28.1 | -16.8% |
| 2011/12 | 33.8 | - |