| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/5 | -0.6 | -121.7% |
| 2024/6 | 2.7 | +118.5% |
| 2023/6 | 1.3 | -677.0% |
| 2022/5 | -0.2 | -102.4% |
| 2021/5 | 9.2 | -1804.3% |
| 2020/5 | -0.5 | -107.1% |
| 2019/6 | 7.6 | +7.7% |
| 2018/6 | 7.1 | -9.4% |
| 2017/6 | 7.8 | -10.2% |
| 2016/5 | 8.7 | +28.1% |
| 2015/5 | 6.8 | -393.9% |
| 2014/5 | -2.3 | -142.1% |
| 2013/6 | 5.5 | -21.0% |
| 2012/6 | 6.9 | +11.5% |
| 2011/5 | 6.2 | - |