| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/1 | 1.0 | - |
| 2024/12 | 4.3 | -59.2% |
| 2023/12 | 10.6 | -38.8% |
| 2022/12 | 13.7 | +38.2% |
| 2022/1 | 17.3 | +75.0% |
| 2021/1 | 9.9 | - |
| 2019/12 | 11.3 | +224.8% |
| 2018/12 | 3.5 | +98.7% |
| 2017/12 | 1.8 | -39.7% |
| 2016/12 | 3.6 | +75.2% |
| 2016/1 | 2.9 | +41.2% |
| 2015/1 | 2.1 | - |
| 2013/12 | 9.5 | -21.9% |
| 2012/12 | 12.2 | +25.2% |
| 2011/12 | 15.2 | - |
| 2011/1 | 9.7 | - |