| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 16.9 | -34.2% |
| 2023/12 | 25.6 | -41.4% |
| 2022/12 | 43.7 | -22.8% |
| 2021/12 | 56.6 | +128.2% |
| 2020/12 | 24.8 | -33.3% |
| 2019/12 | 37.2 | +15.7% |
| 2018/12 | 32.1 | -21.0% |
| 2017/12 | 40.7 | +6.9% |
| 2016/12 | 38.1 | +0.7% |
| 2015/12 | 37.8 | +64.0% |
| 2014/12 | 23.1 | +16.2% |
| 2013/12 | 19.8 | -29.5% |
| 2012/12 | 28.1 | +127.8% |
| 2011/12 | 12.3 | - |