| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -28.5 | -386.9% |
| 2023/12 | 9.9 | -74.4% |
| 2022/12 | 38.9 | -23.1% |
| 2021/12 | 50.6 | +602.1% |
| 2020/12 | 7.2 | -73.8% |
| 2019/12 | 27.5 | -6.6% |
| 2018/12 | 29.5 | +21.0% |
| 2017/12 | 24.4 | +0.4% |
| 2016/12 | 24.3 | -25.8% |
| 2015/12 | 32.7 | -17.6% |
| 2014/12 | 39.7 | +3.8% |
| 2013/12 | 38.2 | +19.9% |
| 2012/12 | 31.9 | +21.9% |
| 2011/12 | 26.1 | - |