| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 9.4 | -47.7% |
| 2023/12 | 18.1 | -26.8% |
| 2022/12 | 24.7 | -2.1% |
| 2021/12 | 25.2 | +507.9% |
| 2020/12 | 4.1 | -47.4% |
| 2019/12 | 7.9 | -38.7% |
| 2018/12 | 12.9 | +49.1% |
| 2017/12 | 8.6 | +7.8% |
| 2016/12 | 8.0 | +85.7% |
| 2015/12 | 4.3 | -24.4% |
| 2014/12 | 5.7 | +37.4% |
| 2013/12 | 4.2 | -5.4% |
| 2012/12 | 4.4 | -29.8% |
| 2011/12 | 6.3 | +270.8% |
| 2010/12 | 1.7 | - |