| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2026/3 | 2.6 | -18.5% |
| 2025/3 | 3.2 | -5.2% |
| 2024/3 | 3.3 | -2.4% |
| 2023/3 | 3.4 | -0.2% |
| 2022/3 | 3.4 | +333.1% |
| 2021/3 | 0.8 | -72.8% |
| 2020/3 | 2.9 | -63.8% |
| 2019/3 | 8.0 | -16.1% |
| 2018/3 | 9.5 | +42.2% |
| 2017/3 | 6.7 | -30.4% |
| 2016/3 | 9.6 | +3.2% |
| 2015/3 | 9.3 | 0.0% |
| 2014/3 | 9.3 | +21.8% |
| 2013/3 | 7.7 | +85.2% |
| 2012/3 | 4.1 | -27.8% |
| 2011/3 | 5.7 | - |