| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -15.5 | -22.2% |
| 2023/12 | -19.9 | +418.1% |
| 2022/12 | -3.8 | +32.3% |
| 2021/12 | -2.9 | +3109.9% |
| 2020/12 | -0.1 | -98.5% |
| 2019/12 | -5.9 | -216.4% |
| 2018/12 | 5.1 | -39.8% |
| 2017/12 | 8.4 | +80.7% |
| 2016/12 | 4.6 | +116.4% |
| 2015/12 | 2.1 | -30.7% |
| 2014/12 | 3.1 | -358.8% |
| 2013/12 | -1.2 | -106.7% |
| 2012/12 | 17.9 | +400.4% |
| 2011/12 | 3.6 | - |