| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 19.5 | -30.5% |
| 2023/12 | 28.1 | -568.7% |
| 2022/12 | -6.0 | -123.1% |
| 2021/12 | 25.9 | -19.3% |
| 2020/12 | 32.1 | -12.0% |
| 2019/12 | 36.5 | -4.3% |
| 2018/12 | 38.1 | -5.2% |
| 2017/12 | 40.2 | -1.7% |
| 2016/12 | 40.9 | +27.2% |
| 2015/12 | 32.1 | -14.5% |
| 2014/12 | 37.6 | +10.0% |
| 2013/12 | 34.2 | +9.9% |
| 2012/12 | 31.1 | +26.4% |
| 2011/12 | 24.6 | - |