| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 30.8 | -5.9% |
| 2024/12 | 32.7 | +0.8% |
| 2023/12 | 32.4 | -28.4% |
| 2022/12 | 45.3 | -18.6% |
| 2021/12 | 55.7 | +387.5% |
| 2020/12 | 11.4 | -70.7% |
| 2019/12 | 39.0 | -1.4% |
| 2018/12 | 39.5 | -0.2% |
| 2017/12 | 39.6 | -14.3% |
| 2016/12 | 46.2 | +4.0% |
| 2015/12 | 44.5 | +36.5% |
| 2014/12 | 32.6 | +25.1% |
| 2013/12 | 26.1 | +8.2% |
| 2012/12 | 24.1 | +24.0% |
| 2011/12 | 19.4 | - |