| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 46.25 | -14.2% |
| 2023/12 | 53.91 | -9.7% |
| 2022/12 | 59.69 | +0.7% |
| 2021/12 | 59.26 | +17.7% |
| 2020/12 | 50.35 | -7.4% |
| 2019/12 | 54.4 | -2.4% |
| 2018/12 | 55.73 | +4.1% |
| 2017/12 | 53.55 | +9.9% |
| 2016/12 | 48.74 | +15.6% |
| 2015/12 | 42.16 | +14.0% |
| 2014/12 | 37.0 | +28.6% |
| 2013/12 | 28.77 | +75.5% |
| 2012/12 | 16.39 | +147.6% |
| 2011/12 | 6.62 | - |