| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 18.4 | +3.7% |
| 2023/12 | 17.8 | -32.7% |
| 2022/12 | 26.4 | -72.2% |
| 2021/12 | 95.1 | -7.9% |
| 2020/12 | 103.3 | +111.4% |
| 2019/12 | 48.8 | +76.0% |
| 2018/12 | 27.7 | -42.2% |
| 2017/12 | 48.0 | -5.5% |
| 2016/12 | 50.8 | -15.9% |
| 2015/12 | 60.3 | +31.7% |
| 2014/12 | 45.8 | -23.6% |
| 2013/12 | 60.0 | -475.1% |
| 2012/12 | -16.0 | +110.9% |
| 2011/12 | -7.6 | - |