| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 17.8 | +0.4% |
| 2023/12 | 17.7 | -14.8% |
| 2022/12 | 20.8 | +54.0% |
| 2021/12 | 13.5 | -50.1% |
| 2020/12 | 27.0 | +91.6% |
| 2019/12 | 14.1 | -24.8% |
| 2018/12 | 18.7 | +175.6% |
| 2017/12 | 6.8 | +425.1% |
| 2016/12 | 1.3 | -104.7% |
| 2015/12 | -27.4 | -54.7% |
| 2014/12 | -60.5 | +837.4% |
| 2013/12 | -6.5 | -67.7% |
| 2012/12 | -20.0 | -77.7% |
| 2011/12 | -89.6 | - |