| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -2.3 | -95.5% |
| 2023/12 | -51.2 | +326.7% |
| 2022/12 | -12.0 | -830.7% |
| 2021/12 | 1.6 | -107.5% |
| 2020/12 | -21.9 | -169.6% |
| 2019/12 | 31.5 | +43.3% |
| 2018/12 | 22.0 | -46.0% |
| 2017/12 | 40.7 | -17.2% |
| 2016/12 | 49.2 | -5.2% |
| 2015/12 | 51.9 | -10.9% |
| 2014/12 | 58.2 | +34.6% |
| 2013/12 | 43.3 | +58.1% |
| 2012/12 | 27.4 | +28.6% |
| 2011/12 | 21.3 | - |