| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/5 | 8.1 | -48.8% |
| 2024/5 | 15.8 | +416.1% |
| 2023/5 | 3.1 | -105.3% |
| 2022/5 | -57.7 | +321.3% |
| 2021/5 | -13.7 | -16.5% |
| 2020/5 | -16.4 | -58.1% |
| 2019/5 | -39.1 | +946.7% |
| 2018/5 | -3.7 | -54.0% |
| 2017/5 | -8.1 | -283.7% |
| 2016/5 | 4.4 | -115.2% |
| 2015/5 | -29.2 | +172.2% |
| 2014/5 | -10.7 | +28.3% |
| 2013/5 | -8.4 | +53.8% |
| 2012/5 | -5.4 | -132.5% |
| 2011/5 | 16.7 | - |