| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 35.7 | -8.0% |
| 2023/12 | 38.8 | -25.2% |
| 2022/12 | 51.9 | -3.6% |
| 2021/12 | 53.8 | +220.7% |
| 2020/12 | 16.8 | -52.6% |
| 2019/12 | 35.4 | +16.1% |
| 2018/12 | 30.5 | +189.6% |
| 2017/12 | 10.5 | -52.7% |
| 2016/12 | 22.3 | +386.3% |
| 2015/12 | 4.6 | -68.3% |
| 2014/12 | 14.5 | -158.6% |
| 2013/12 | -24.7 | -540.6% |
| 2012/12 | 5.6 | -150.7% |
| 2011/12 | -11.1 | - |