| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 0.7 | -94.2% |
| 2025/1 | 11.7 | -28.9% |
| 2024/1 | 16.4 | -1.2% |
| 2023/1 | 16.6 | -57.5% |
| 2022/1 | 39.1 | -8.7% |
| 2021/1 | 42.8 | -2.6% |
| 2020/1 | 44.0 | +8.4% |
| 2019/1 | 40.6 | +17.1% |
| 2018/1 | 34.6 | -18.5% |
| 2017/1 | 42.5 | +460.0% |
| 2016/1 | 7.6 | -85.5% |
| 2015/1 | 52.5 | +11.9% |
| 2014/1 | 46.9 | +14.1% |
| 2013/1 | 41.1 | +69.8% |
| 2012/1 | 24.2 | - |