| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/1 | 19.6 | +38.2% |
| 2024/1 | 14.2 | +574.6% |
| 2023/1 | 2.1 | -63.6% |
| 2022/1 | 5.8 | -52.0% |
| 2021/1 | 12.1 | +191.8% |
| 2020/1 | 4.1 | -44.2% |
| 2019/1 | 7.4 | +283.8% |
| 2018/1 | 1.9 | +537.6% |
| 2017/1 | 0.3 | -68.6% |
| 2016/1 | 1.0 | -124.3% |
| 2015/1 | -4.0 | -54.9% |
| 2014/1 | -8.8 | +109.9% |
| 2013/1 | -4.2 | +185.0% |
| 2012/1 | -1.5 | -123.4% |
| 2011/1 | 6.3 | - |