| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 27.2 | -6.8% |
| 2023/12 | 29.2 | -27.1% |
| 2022/12 | 40.1 | -19.8% |
| 2021/12 | 50.0 | +65.9% |
| 2020/12 | 30.1 | -13.0% |
| 2019/12 | 34.7 | -11.8% |
| 2018/12 | 39.3 | -4.6% |
| 2017/12 | 41.2 | +0.9% |
| 2016/12 | 40.8 | +16.6% |
| 2015/12 | 35.0 | -4.5% |
| 2014/12 | 36.7 | +3.2% |
| 2013/12 | 35.6 | +23.9% |
| 2012/12 | 28.7 | +35.9% |
| 2011/12 | 21.1 | +24.3% |
| 2010/12 | 17.0 | - |