| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 4.3 | -14.8% |
| 2025/1 | 5.0 | -27.2% |
| 2024/1 | 6.9 | -72.8% |
| 2023/1 | 25.4 | -4.8% |
| 2022/1 | 26.7 | -314.8% |
| 2021/1 | -12.4 | +42.3% |
| 2020/1 | -8.7 | -196.2% |
| 2019/1 | 9.1 | -1146.8% |
| 2018/1 | -0.9 | -126.0% |
| 2017/1 | 3.3 | -86.5% |
| 2016/1 | 24.7 | +84.1% |
| 2015/1 | 13.4 | -33.5% |
| 2014/1 | 20.2 | +684.6% |
| 2013/1 | 2.6 | -37.7% |
| 2012/1 | 4.1 | - |