| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 10.5 | -48.4% |
| 2023/12 | 20.5 | -51.3% |
| 2022/12 | 42.0 | +20.5% |
| 2021/12 | 34.9 | +5.0% |
| 2020/12 | 33.2 | -7.4% |
| 2019/12 | 35.9 | -10.1% |
| 2018/12 | 39.9 | +8.4% |
| 2017/12 | 36.8 | +12.4% |
| 2016/12 | 32.7 | +100.9% |
| 2015/12 | 16.3 | -70.1% |
| 2014/12 | 54.6 | +128.4% |
| 2013/12 | 23.9 | +48.7% |
| 2012/12 | 16.1 | -157.8% |
| 2011/12 | -27.8 | - |