| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 40.8 | +5.5% |
| 2023/12 | 38.7 | +69.2% |
| 2022/12 | 22.9 | -61.1% |
| 2021/12 | 58.8 | +488.8% |
| 2020/12 | 10.0 | -81.8% |
| 2019/12 | 54.8 | +128.3% |
| 2018/12 | 24.0 | -62.5% |
| 2017/12 | 64.0 | +37.8% |
| 2016/12 | 46.5 | -1100.5% |
| 2015/12 | -4.6 | -106.1% |
| 2014/12 | 76.4 | +9.7% |
| 2013/12 | 69.7 | -130.7% |
| 2012/12 | -226.8 | - |
| 2011/12 | - | - |