| （単位：千円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 559,260 | -20.7% |
| 2024/5 | 704,846 | +19.5% |
| 2023/5 | 590,032 | -16.7% |
| 2022/5 | 707,993 | -25.5% |
| 2021/5 | 950,366 | +66.3% |
| 2020/5 | 571,519 | -13.0% |
| 2019/5 | 656,826 | -21.7% |
| 2018/5 | 839,383 | +23.8% |
| 2017/5 | 678,151 | +14.7% |
| 2016/5 | 591,307 | +14.9% |
| 2015/5 | 514,786 | -5.7% |
| 2014/5 | 545,760 | +23.7% |
| 2013/5 | 441,120 | -5.7% |
| 2012/5 | 467,790 | -1209.8% |
| 2011/5 | -42,150 | - |