| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 0.8 | -87.2% |
| 2023/12 | 6.0 | -79.9% |
| 2022/12 | 30.0 | -21.2% |
| 2021/12 | 38.1 | +104.3% |
| 2020/12 | 18.6 | +171.9% |
| 2019/12 | 6.9 | -53.0% |
| 2018/12 | 14.6 | -16.5% |
| 2017/12 | 17.5 | +1481.7% |
| 2016/12 | 1.1 | -75.7% |
| 2015/12 | 4.5 | -74.8% |
| 2014/12 | 18.1 | +21.9% |
| 2013/12 | 14.8 | +30.9% |
| 2012/12 | 11.3 | +26.7% |
| 2011/12 | 8.9 | +7.3% |
| 2010/12 | 8.3 | - |