| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 30.0 | +37.9% |
| 2024/12 | 21.8 | -20.5% |
| 2023/12 | 27.4 | -31.7% |
| 2022/12 | 40.1 | -13.2% |
| 2021/12 | 46.2 | +69.7% |
| 2020/12 | 27.2 | -14.9% |
| 2019/12 | 32.0 | +4.1% |
| 2018/12 | 30.7 | -12.4% |
| 2017/12 | 35.1 | +1.5% |
| 2016/12 | 34.5 | +1.1% |
| 2015/12 | 34.2 | -3.3% |
| 2014/12 | 35.3 | +1.1% |
| 2013/12 | 34.9 | +4.0% |
| 2012/12 | 33.6 | +18.6% |
| 2011/12 | 28.3 | +22.2% |
| 2010/12 | 23.2 | - |