| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,656 | -3.2% |
| 2025/5 | 1,710 | +39.5% |
| 2024/5 | 1,226 | -27.8% |
| 2023/5 | 1,697 | +15.8% |
| 2022/5 | 1,465 | +120.3% |
| 2021/5 | 665 | +34.0% |
| 2020/5 | 496 | -49.2% |
| 2019/5 | 977 | +4.3% |
| 2018/5 | 937 | +95.8% |
| 2017/5 | 478 | +4.7% |
| 2016/5 | 457 | -32.7% |
| 2015/5 | 679 | +10.3% |
| 2014/5 | 616 | +4.2% |
| 2013/5 | 591 | -418.3% |
| 2012/5 | -186 | -260.2% |
| 2011/5 | 116 | - |