| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 33.8 | +43.6% |
| 2023/12 | 23.5 | -23.3% |
| 2022/12 | 30.6 | +56.0% |
| 2021/12 | 19.6 | -133.1% |
| 2020/12 | -59.3 | -1847.6% |
| 2019/12 | 3.4 | -0.2% |
| 2018/12 | 3.4 | -103.2% |
| 2017/12 | -106.9 | +34.4% |
| 2016/12 | -79.6 | +22.6% |
| 2015/12 | -64.9 | -404.8% |
| 2014/12 | 21.3 | +15.7% |
| 2013/12 | 18.4 | +88.9% |
| 2012/12 | 9.7 | +49.9% |
| 2011/12 | 6.5 | - |