| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 8.0 | +70.6% |
| 2024/12 | 4.7 | -22.3% |
| 2023/12 | 6.0 | -67.3% |
| 2022/12 | 18.5 | +683.3% |
| 2021/12 | 2.4 | -58.7% |
| 2020/12 | 5.7 | -16.9% |
| 2019/12 | 6.9 | +16.5% |
| 2018/12 | 5.9 | +1.6% |
| 2017/12 | 5.8 | +83.4% |
| 2016/12 | 3.2 | -12.1% |
| 2015/12 | 3.6 | -61.4% |
| 2015/3 | 6.9 | -25.6% |
| 2014/3 | 9.3 | +8.0% |
| 2013/3 | 8.6 | +22.1% |
| 2012/3 | 7.1 | +26.1% |
| 2011/3 | 5.6 | - |