| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/1 | 64.39 | +16.0% |
| 2024/1 | 55.51 | +258.1% |
| 2023/1 | 15.5 | -58.0% |
| 2022/1 | 36.94 | +39.7% |
| 2021/1 | 26.44 | -2.8% |
| 2020/1 | 27.2 | -18.2% |
| 2019/1 | 33.25 | +1.1% |
| 2018/1 | 32.9 | +19.3% |
| 2017/1 | 27.57 | +85.9% |
| 2016/1 | 14.83 | -8.0% |
| 2015/1 | 16.12 | +30.5% |
| 2014/1 | 12.35 | -20.1% |
| 2013/1 | 15.47 | -6.8% |
| 2012/1 | 16.59 | +116.8% |
| 2011/1 | 7.65 | - |