| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/5 | 5.33 | -147.2% |
| 2024/5 | -11.29 | -46.7% |
| 2023/5 | -21.17 | -1097.5% |
| 2022/5 | 2.12 | -70.5% |
| 2021/5 | 7.21 | +20.3% |
| 2020/5 | 5.99 | -60.7% |
| 2019/5 | 15.24 | -11.9% |
| 2018/5 | 17.31 | -11.7% |
| 2017/5 | 19.6 | +59.0% |
| 2016/5 | 12.32 | +153.8% |
| 2015/5 | 4.86 | -101.3% |
| 2014/5 | -380.34 | -96.5% |
| 2013/5 | -10822.78 | - |
| 2013/3 | -10822.78 | - |