| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 13.5 | -38.5% |
| 2023/12 | 22.0 | -54.2% |
| 2022/12 | 48.0 | +12.0% |
| 2021/12 | 42.9 | +65.3% |
| 2020/12 | 25.9 | +5.6% |
| 2019/12 | 24.6 | +6.5% |
| 2018/12 | 23.1 | -11.5% |
| 2017/12 | 26.1 | +40.2% |
| 2016/12 | 18.6 | +5.7% |
| 2015/12 | 17.6 | -16.3% |
| 2014/12 | 21.0 | -24.6% |
| 2013/12 | 27.8 | -446.2% |
| 2012/12 | -8.0 | -145.1% |
| 2011/12 | 17.8 | - |