| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/9 | 20.4 | +28.7% |
| 2023/9 | 15.9 | -22.8% |
| 2022/9 | 20.5 | -5.3% |
| 2021/9 | 21.7 | +134.7% |
| 2020/9 | 9.2 | +471.3% |
| 2019/9 | 1.6 | -29.9% |
| 2018/9 | 2.3 | -2010.5% |
| 2017/9 | -0.1 | -97.9% |
| 2016/9 | -5.9 | -378.8% |
| 2015/9 | 2.1 | -84.6% |
| 2014/9 | 13.7 | +40.5% |
| 2013/9 | 9.8 | +1.5% |
| 2012/9 | 9.6 | +7.3% |
| 2011/9 | 9.0 | +10.2% |
| 2010/9 | 8.1 | - |