| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2025/5 | -11.63 | -81.5% |
| 2024/5 | -63.06 | +292.4% |
| 2023/5 | -16.07 | +69.7% |
| 2022/5 | -9.47 | -23.6% |
| 2021/5 | -12.39 | -80.5% |
| 2020/5 | -63.65 | +1071.7% |
| 2019/5 | -5.43 | -350.5% |
| 2018/5 | 2.17 | -23.0% |
| 2017/5 | 2.82 | -406.4% |
| 2016/5 | -0.92 | -59.0% |
| 2015/5 | -2.24 | -224.5% |
| 2014/5 | 1.8 | -1057.4% |
| 2013/5 | -0.19 | -92.1% |
| 2012/5 | -2.38 | - |