| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 27.9 | +0.6% |
| 2023/12 | 27.7 | +5.1% |
| 2022/12 | 26.4 | +3.2% |
| 2021/12 | 25.6 | +12.7% |
| 2020/12 | 22.7 | -7.9% |
| 2019/12 | 24.7 | -0.8% |
| 2018/12 | 24.8 | +5.6% |
| 2017/12 | 23.5 | +223.7% |
| 2016/12 | 7.3 | -80.3% |
| 2015/12 | 36.9 | +43.0% |
| 2014/12 | 25.8 | -1.4% |
| 2013/12 | 26.2 | +21.9% |
| 2012/12 | 21.5 | -8.4% |
| 2011/12 | 23.4 | +17.3% |
| 2010/12 | 20.0 | - |