| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 7.7 | - |
| 2024/12 | 6.9 | -13.4% |
| 2023/12 | 7.9 | +12.7% |
| 2022/12 | 7.9 | +226.2% |
| 2022/1 | 7.1 | +191.3% |
| 2021/1 | 2.4 | -65.0% |
| 2020/1 | 6.9 | - |
| 2018/12 | 9.9 | +84.6% |
| 2017/12 | 5.4 | -25.8% |
| 2016/12 | 6.4 | +3.4% |
| 2016/1 | 7.2 | +17.7% |
| 2015/1 | 6.1 | - |
| 2013/12 | 5.6 | -19.0% |
| 2012/12 | 6.9 | +741.1% |
| 2011/12 | 3.0 | - |
| 2011/1 | 0.8 | - |