| （単位：千円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 441,840 | -33.0% |
| 2024/5 | 659,447 | +58.3% |
| 2023/5 | 416,469 | +1.8% |
| 2022/5 | 409,016 | +129.6% |
| 2021/5 | 178,175 | -67.1% |
| 2020/5 | 542,084 | -37.0% |
| 2019/5 | 861,120 | +30.1% |
| 2018/5 | 661,706 | +6.0% |
| 2017/5 | 624,080 | +7.2% |
| 2016/5 | 582,335 | +4.1% |
| 2015/5 | 559,599 | +65.3% |
| 2014/5 | 338,558 | +407.4% |
| 2013/5 | 66,727 | -793.1% |
| 2012/5 | -9,628 | -94.8% |
| 2011/5 | -185,472 | - |