| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 20.74 | +79.4% |
| 2023/12 | 11.56 | -25.9% |
| 2022/12 | 15.61 | +826.1% |
| 2021/12 | 1.69 | -86.1% |
| 2020/12 | 12.1 | -7.7% |
| 2019/12 | 13.11 | +9.6% |
| 2018/12 | 11.95 | +380.5% |
| 2017/12 | 2.49 | -81.2% |
| 2016/12 | 13.22 | +34.6% |
| 2015/12 | 9.82 | -12.3% |
| 2014/12 | 11.19 | +3.6% |
| 2013/12 | 10.8 | -5.1% |
| 2012/12 | 11.38 | +28.0% |
| 2011/12 | 8.89 | +52.4% |
| 2010/12 | 5.84 | - |