| （単位：千円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 507,484 | +64.0% |
| 2024/5 | 309,394 | -43.5% |
| 2023/5 | 547,694 | -3.5% |
| 2022/5 | 567,269 | -1.0% |
| 2021/5 | 572,803 | +40.7% |
| 2020/5 | 407,248 | -30.9% |
| 2019/5 | 589,101 | +1.3% |
| 2018/5 | 581,538 | +8.2% |
| 2017/5 | 537,508 | +2.5% |
| 2016/5 | 524,341 | +53.4% |
| 2015/5 | 341,706 | +5.3% |
| 2014/5 | 324,360 | +24.2% |
| 2013/5 | 261,222 | +23.0% |
| 2012/5 | 212,405 | +39.1% |
| 2011/5 | 152,688 | - |