| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 42.7 | -25.1% |
| 2023/12 | 57.0 | +174.3% |
| 2022/12 | 20.8 | +95.4% |
| 2021/12 | 10.6 | -37.4% |
| 2020/12 | 17.0 | -56.4% |
| 2019/12 | 39.0 | -13.3% |
| 2018/12 | 45.0 | +14.9% |
| 2017/12 | 39.2 | +72.6% |
| 2016/12 | 22.7 | -23.0% |
| 2015/12 | 29.5 | -41.4% |
| 2014/12 | 50.3 | -5.0% |
| 2013/12 | 52.9 | -79.5% |
| 2012/12 | 257.9 | +28.6% |
| 2011/12 | 200.6 | - |