| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 36.3 | +6.2% |
| 2023/12 | 34.1 | -6.4% |
| 2022/12 | 36.5 | -6.2% |
| 2021/12 | 38.9 | +8.8% |
| 2020/12 | 35.7 | +0.1% |
| 2019/12 | 35.7 | +5.3% |
| 2018/12 | 33.9 | -5.6% |
| 2017/12 | 35.9 | +5.9% |
| 2016/12 | 33.9 | -3.3% |
| 2015/12 | 35.1 | +0.9% |
| 2014/12 | 34.8 | +8.4% |
| 2013/12 | 32.1 | +6.3% |
| 2012/12 | 30.2 | +12.2% |
| 2011/12 | 26.9 | +3.0% |
| 2010/12 | 26.1 | - |