| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/4 | 1.3 | -46.8% |
| 2024/4 | 2.5 | +4546.0% |
| 2023/4 | 0.1 | -100.7% |
| 2022/4 | -7.9 | -28.5% |
| 2021/4 | -11.1 | +148.3% |
| 2020/4 | -4.5 | -335.9% |
| 2019/4 | 1.9 | +128.2% |
| 2018/9 | 0.8 | -2.7% |
| 2017/9 | 0.9 | +312.0% |
| 2016/9 | 0.2 | -48.9% |
| 2015/9 | 0.4 | -80.7% |
| 2014/9 | 2.1 | +202.0% |
| 2013/9 | 0.7 | -62.6% |
| 2012/9 | 1.9 | +19.9% |
| 2011/9 | 1.6 | - |