| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 2.2 | -47.0% |
| 2023/12 | 4.1 | -68.1% |
| 2022/12 | 12.7 | -26.7% |
| 2021/12 | 17.4 | +559.0% |
| 2020/12 | 2.6 | -46.5% |
| 2019/12 | 4.9 | -49.7% |
| 2018/12 | 9.8 | -1702.2% |
| 2017/12 | -0.6 | -113.7% |
| 2016/12 | 4.5 | -55.6% |
| 2015/12 | 10.1 | +15.0% |
| 2014/12 | 8.8 | -14288.2% |
| 2013/12 | -0.1 | -100.6% |
| 2012/12 | 10.9 | +95.1% |
| 2011/12 | 5.6 | - |