| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -13.7 | +136.1% |
| 2023/12 | -5.8 | -132.8% |
| 2022/12 | 17.7 | -49.6% |
| 2021/12 | 35.1 | +38.2% |
| 2020/12 | 25.4 | -22.0% |
| 2019/12 | 32.6 | -10.6% |
| 2018/12 | 36.4 | +95.5% |
| 2017/12 | 18.6 | -40.8% |
| 2016/12 | 31.5 | -1.4% |
| 2015/12 | 31.9 | +8.3% |
| 2014/12 | 29.5 | +11.5% |
| 2013/12 | 26.5 | +2.7% |
| 2012/12 | 25.8 | +41.4% |
| 2011/12 | 18.2 | - |