| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 523,226 | -31.2% |
| 2024/5 | 760,455 | +79.3% |
| 2023/5 | 424,228 | +2353.7% |
| 2022/5 | 17,289 | -103.9% |
| 2021/5 | -441,636 | -301.9% |
| 2020/5 | 218,792 | -47.4% |
| 2019/5 | 415,743 | -28.2% |
| 2018/5 | 579,270 | +40.4% |
| 2017/5 | 412,671 | +6.5% |
| 2016/5 | 387,536 | +81.1% |
| 2015/5 | 213,996 | -247.8% |
| 2014/5 | -144,772 | -266.8% |
| 2013/5 | 86,772 | -61.6% |
| 2012/5 | 225,768 | +159.0% |
| 2011/5 | 87,183 | - |