| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -20.0 | -52.4% |
| 2023/12 | -42.1 | -706.6% |
| 2022/12 | 6.9 | +194.9% |
| 2021/12 | 2.4 | -111.6% |
| 2020/12 | -20.4 | -108.2% |
| 2019/12 | 247.5 | +23570.5% |
| 2018/12 | 1.0 | -99.4% |
| 2017/12 | 161.2 | +1225.1% |
| 2016/12 | 12.2 | +692.0% |
| 2015/12 | 1.5 | -67.1% |
| 2014/12 | 4.7 | -76.9% |
| 2013/12 | 20.3 | -536.9% |
| 2012/12 | -4.6 | -115.5% |
| 2011/12 | 29.9 | - |