| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 29.7 | -14.7% |
| 2025/1 | 34.8 | +19.5% |
| 2024/1 | 29.1 | -35.0% |
| 2023/1 | 44.8 | -2.0% |
| 2022/1 | 45.7 | +3.7% |
| 2021/1 | 44.1 | -2.6% |
| 2020/1 | 45.3 | +20.4% |
| 2019/1 | 37.6 | +49.4% |
| 2018/1 | 25.2 | +41.2% |
| 2017/1 | 17.8 | +27.5% |
| 2016/1 | 14.0 | +34.7% |
| 2015/1 | 10.4 | +558.5% |
| 2014/1 | 1.6 | -16.5% |
| 2013/1 | 1.9 | -73.9% |
| 2012/1 | 7.2 | - |