| （単位：千円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 584,344 | +6.8% |
| 2024/5 | 547,184 | +21.3% |
| 2023/5 | 451,049 | +11.6% |
| 2022/5 | 404,074 | +17.8% |
| 2021/5 | 343,100 | +16.4% |
| 2020/5 | 294,760 | +43.2% |
| 2019/5 | 205,833 | +23.3% |
| 2018/5 | 166,884 | +27.1% |
| 2017/5 | 131,351 | +13.7% |
| 2016/5 | 115,546 | +485.2% |
| 2015/5 | 19,745 | +102.2% |
| 2014/5 | 9,765 | -141.2% |
| 2013/5 | -23,713 | -62.4% |
| 2012/5 | -62,985 | -298.4% |
| 2011/5 | 31,751 | - |