| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 38.8 | +17.1% |
| 2024/12 | 33.1 | -12.4% |
| 2023/12 | 37.8 | -32.9% |
| 2022/12 | 56.4 | -28.4% |
| 2021/12 | 78.8 | +155.5% |
| 2020/12 | 30.8 | -27.9% |
| 2019/12 | 42.8 | -3.8% |
| 2018/12 | 44.5 | -5.1% |
| 2017/12 | 46.9 | +7.0% |
| 2016/12 | 43.8 | +3.2% |
| 2015/12 | 42.5 | -4.7% |
| 2014/12 | 44.6 | +2.4% |
| 2013/12 | 43.5 | +2.3% |
| 2012/12 | 42.6 | +1023.9% |
| 2011/12 | 3.8 | - |