| （単位：千円） | 営業利益 | 前年比（％） |
|---|---|---|
| 2026/5 | -57,000 | -45.7% |
| 2025/5 | -105,017 | +13.3% |
| 2024/5 | -92,673 | +28.7% |
| 2023/5 | -71,980 | +77.7% |
| 2022/5 | -40,497 | -75.1% |
| 2021/5 | -162,531 | +1389.5% |
| 2020/5 | -10,912 | -3281.3% |
| 2019/5 | 343 | -96.7% |
| 2018/5 | 10,398 | -69.6% |
| 2017/5 | 34,211 | +57.3% |
| 2016/5 | 21,750 | -199.8% |
| 2015/5 | -21,804 | +235.9% |
| 2014/5 | -6,491 | - |