| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 8.0 | -49.7% |
| 2023/12 | 15.8 | -12.4% |
| 2022/12 | 18.1 | +850.9% |
| 2021/12 | 1.9 | -103.7% |
| 2020/12 | -51.7 | +459.0% |
| 2019/12 | -9.3 | -172.0% |
| 2018/12 | 12.9 | -11.9% |
| 2017/12 | 14.6 | -144.4% |
| 2016/12 | -32.8 | +171.2% |
| 2015/12 | -12.1 | -170.9% |
| 2014/12 | 17.1 | +15.1% |
| 2013/12 | 14.8 | -34.8% |
| 2012/12 | 22.8 | -14.0% |
| 2011/12 | 26.5 | - |