| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 10.2 | -22.5% |
| 2023/12 | 13.2 | -52.6% |
| 2022/12 | 27.8 | -40.8% |
| 2021/12 | 47.0 | +122.1% |
| 2020/12 | 21.1 | -31.3% |
| 2019/12 | 30.8 | +10.1% |
| 2018/12 | 27.9 | +6.9% |
| 2017/12 | 26.1 | -10.1% |
| 2016/12 | 29.1 | +1.5% |
| 2015/12 | 28.7 | +7.0% |
| 2014/12 | 26.8 | +219.9% |
| 2013/12 | 8.4 | -154.3% |
| 2012/12 | -15.4 | -1496.7% |
| 2011/12 | 1.1 | - |