| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -37,624 | -242.6% |
| 2024/5 | 26,382 | -77.3% |
| 2023/5 | 116,181 | -71.0% |
| 2022/5 | 400,671 | +191.0% |
| 2021/5 | 137,688 | +64.9% |
| 2020/5 | 83,512 | -18.7% |
| 2019/5 | 102,693 | +16.5% |
| 2018/5 | 88,141 | +7.0% |
| 2017/5 | 82,390 | -56.6% |
| 2016/5 | 190,056 | +311.3% |
| 2015/5 | 46,207 | -30.2% |
| 2014/5 | 66,164 | +4.5% |
| 2013/5 | 63,311 | -9.0% |
| 2012/5 | 69,535 | -60.5% |
| 2011/5 | 175,924 | - |