| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 12.8 | -10.9% |
| 2023/12 | 14.4 | -51.3% |
| 2022/12 | 29.6 | -51.8% |
| 2021/12 | 61.3 | +398.6% |
| 2020/12 | 12.3 | -49.0% |
| 2019/12 | 24.1 | -10.5% |
| 2018/12 | 26.9 | +23.7% |
| 2017/12 | 21.8 | -9.1% |
| 2016/12 | 24.0 | -16.7% |
| 2015/12 | 28.7 | -15.1% |
| 2014/12 | 33.9 | +5.0% |
| 2013/12 | 32.2 | +21.5% |
| 2012/12 | 26.6 | -13.3% |
| 2011/12 | 30.6 | - |