| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 6,778 | +7.4% |
| 2024/5 | 6,312 | +102.3% |
| 2023/5 | 3,120 | -44.5% |
| 2022/5 | 5,620 | +1.7% |
| 2021/5 | 5,528 | +47.6% |
| 2020/5 | 3,745 | +1178.2% |
| 2019/5 | 293 | -91.1% |
| 2018/5 | 3,292 | -7.5% |
| 2017/5 | 3,558 | +5.3% |
| 2016/5 | 3,380 | +25.2% |
| 2015/5 | 2,699 | +7.0% |
| 2014/5 | 2,523 | +2.7% |
| 2013/5 | 2,457 | +2.7% |
| 2012/5 | 2,392 | +6.8% |
| 2011/5 | 2,240 | - |