| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 22.2 | -39.6% |
| 2023/12 | 36.7 | -324.3% |
| 2022/12 | -16.3 | -527.9% |
| 2021/12 | 3.8 | -88.5% |
| 2020/12 | 33.3 | +62.9% |
| 2019/12 | 20.4 | -19.2% |
| 2018/12 | 25.3 | +6.3% |
| 2017/12 | 23.8 | -41.5% |
| 2016/12 | 40.7 | +45.2% |
| 2015/12 | 28.0 | +42.0% |
| 2014/12 | 19.7 | -8.7% |
| 2013/12 | 21.6 | -1.4% |
| 2012/12 | 21.9 | -34.7% |
| 2011/12 | 33.6 | - |