| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 2.6 | -61.6% |
| 2024/12 | 6.7 | -23.4% |
| 2023/12 | 8.7 | +15.6% |
| 2022/12 | 7.6 | +55.0% |
| 2021/12 | 4.9 | +219.7% |
| 2020/12 | 1.5 | -76.1% |
| 2019/12 | 6.4 | +2.3% |
| 2018/12 | 6.2 | +8.1% |
| 2017/12 | 5.8 | -2143.4% |
| 2016/12 | -0.3 | -103.0% |
| 2015/12 | 9.3 | +33.1% |
| 2015/3 | 13.2 | +88.9% |
| 2014/3 | 7.0 | +107.7% |
| 2013/3 | 3.4 | -11.5% |
| 2012/3 | 3.8 | +710.3% |
| 2011/3 | 0.5 | - |