| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 58.9 | +120.0% |
| 2024/12 | 26.7 | +556.1% |
| 2023/12 | 4.1 | -90.7% |
| 2022/12 | 43.7 | -8.1% |
| 2021/12 | 47.5 | +23.6% |
| 2020/12 | 38.4 | -2.4% |
| 2019/12 | 39.4 | -5.0% |
| 2018/12 | 41.4 | -1.4% |
| 2017/12 | 42.0 | -1.6% |
| 2016/12 | 42.7 | -8.0% |
| 2015/12 | 46.4 | +10.3% |
| 2014/12 | 42.0 | +8.5% |
| 2013/12 | 38.8 | +44.4% |
| 2012/12 | 26.8 | -29.1% |
| 2011/12 | 37.9 | - |