| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 10.1 | -29.9% |
| 2023/12 | 14.4 | -41.3% |
| 2022/12 | 24.6 | +263.4% |
| 2021/12 | 6.8 | -48.8% |
| 2020/12 | 13.2 | +414.0% |
| 2019/12 | 2.6 | -95.5% |
| 2018/12 | 57.3 | +158.1% |
| 2017/12 | 22.2 | +28.7% |
| 2016/12 | 17.2 | -177.4% |
| 2015/12 | -22.3 | -156.5% |
| 2014/12 | 39.4 | -2.8% |
| 2013/12 | 40.6 | +1.9% |
| 2012/12 | 39.8 | +36.1% |
| 2011/12 | 29.3 | -5.6% |
| 2010/12 | 31.0 | - |