| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 15.24 | -21.2% |
| 2023/12 | 19.33 | -50.2% |
| 2022/12 | 38.84 | -42.8% |
| 2021/12 | 67.94 | +106.4% |
| 2020/12 | 32.92 | -42.7% |
| 2019/12 | 57.48 | -2.1% |
| 2018/12 | 58.73 | +11.7% |
| 2017/12 | 52.59 | -4.0% |
| 2016/12 | 54.81 | -4.7% |
| 2015/12 | 57.49 | -1.2% |
| 2014/12 | 58.18 | -0.3% |
| 2013/12 | 58.38 | +3.7% |
| 2012/12 | 56.32 | -0.2% |
| 2011/12 | 56.44 | - |