| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 8.5 | +27.2% |
| 2023/12 | 6.6 | +73.6% |
| 2022/12 | 3.8 | -1352.8% |
| 2021/12 | -0.3 | -98.9% |
| 2020/12 | -27.3 | +69.0% |
| 2019/12 | -16.2 | +66.0% |
| 2018/12 | -9.7 | +948.0% |
| 2017/12 | -0.9 | -148.7% |
| 2016/12 | 1.9 | -82.6% |
| 2015/12 | 11.0 | -35.6% |
| 2014/12 | 17.0 | +3.3% |
| 2013/12 | 16.5 | +8.8% |
| 2012/12 | 15.2 | -1.6% |
| 2011/12 | 15.4 | - |