| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -7.8 | +97.1% |
| 2023/12 | -3.9 | -80.8% |
| 2022/12 | -20.5 | -595.5% |
| 2021/12 | 4.1 | -115.7% |
| 2020/12 | -26.4 | +253.1% |
| 2019/12 | -7.5 | -45.6% |
| 2018/12 | -13.8 | -83.2% |
| 2017/12 | -82.1 | -2282.4% |
| 2016/12 | 3.8 | -68.6% |
| 2015/12 | 12.0 | -33.3% |
| 2014/12 | 17.9 | +191.6% |
| 2013/12 | 6.2 | -31.3% |
| 2012/12 | 9.0 | -44.5% |
| 2011/12 | 16.1 | -28.6% |
| 2010/12 | 22.6 | - |