| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 7.4 | -171.4% |
| 2024/12 | -10.4 | -204.5% |
| 2023/12 | 9.9 | -70.0% |
| 2022/12 | 33.1 | -12.6% |
| 2021/12 | 37.9 | +121.5% |
| 2020/12 | 17.1 | -10.6% |
| 2019/12 | 19.1 | -25.0% |
| 2018/12 | 25.5 | -9.6% |
| 2017/12 | 28.2 | -41.2% |
| 2016/12 | 48.0 | +33.5% |
| 2015/12 | 35.9 | -2.7% |
| 2014/12 | 36.9 | +22.0% |
| 2013/12 | 30.3 | +15.2% |
| 2012/12 | 26.3 | +0.3% |
| 2011/12 | 26.2 | - |