| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 529,682 | +22.6% |
| 2024/5 | 432,117 | +28.5% |
| 2023/5 | 336,295 | +60.3% |
| 2022/5 | 209,813 | -57.7% |
| 2021/5 | 496,589 | +71.6% |
| 2020/5 | 289,441 | +50.6% |
| 2019/5 | 192,186 | +21.1% |
| 2018/5 | 158,701 | -2538.6% |
| 2017/5 | -6,508 | -107.2% |
| 2016/5 | 90,858 | -50.2% |
| 2015/5 | 182,412 | -0.6% |
| 2014/5 | 183,505 | +158.2% |
| 2013/5 | 71,060 | +95.2% |
| 2012/5 | 36,402 | -260.5% |
| 2011/5 | -22,675 | - |