| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 22.9 | -18.3% |
| 2023/12 | 28.0 | -42.4% |
| 2022/12 | 48.7 | -21.3% |
| 2021/12 | 61.8 | +78.6% |
| 2020/12 | 34.6 | -28.9% |
| 2019/12 | 48.7 | -0.9% |
| 2018/12 | 49.1 | -7.7% |
| 2017/12 | 53.2 | -6.1% |
| 2016/12 | 56.7 | +6.0% |
| 2015/12 | 53.5 | -6.0% |
| 2014/12 | 56.9 | +5.9% |
| 2013/12 | 53.7 | -6.7% |
| 2012/12 | 57.6 | +11.6% |
| 2011/12 | 51.6 | -7.7% |
| 2010/12 | 55.9 | - |