| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -51.3 | -43.6% |
| 2023/12 | -90.9 | -258.2% |
| 2022/12 | 57.5 | -626.3% |
| 2021/12 | -10.9 | +3.9% |
| 2020/12 | -10.5 | -119.0% |
| 2019/12 | 55.2 | -23.7% |
| 2018/12 | 72.4 | +4625.7% |
| 2017/12 | 1.5 | -76.3% |
| 2016/12 | 6.5 | -0.8% |
| 2015/12 | 6.5 | +35.1% |
| 2014/12 | 4.8 | +43.8% |
| 2013/12 | 3.4 | -318.6% |
| 2012/12 | -1.5 | -88.9% |
| 2011/12 | -13.8 | - |