| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -9.7 | -189.6% |
| 2023/12 | 10.8 | -26.4% |
| 2022/12 | 14.7 | -44.2% |
| 2021/12 | 26.3 | -33.8% |
| 2020/12 | 39.8 | +153.7% |
| 2019/12 | 15.7 | -25.7% |
| 2018/12 | 21.1 | +20.5% |
| 2017/12 | 17.5 | -8.4% |
| 2016/12 | 19.1 | +122.2% |
| 2015/12 | 8.6 | -37.8% |
| 2014/12 | 13.8 | -44.0% |
| 2013/12 | 24.7 | +141.4% |
| 2012/12 | 10.2 | -8.3% |
| 2011/12 | 11.2 | - |