| （単位：百万円） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,092 | -4.8% |
| 2025/5 | 1,147 | -35.5% |
| 2024/5 | 1,779 | +156.8% |
| 2023/5 | 693 | -8.2% |
| 2022/5 | 755 | -15.2% |
| 2021/5 | 890 | -36.8% |
| 2020/5 | 1,408 | +75.1% |
| 2019/5 | 804 | +921.3% |
| 2018/5 | 78 | -16.5% |
| 2017/5 | 94 | -69.6% |
| 2016/5 | 310 | +97.7% |
| 2015/5 | 157 | -33.2% |
| 2014/5 | 234 | -55.7% |
| 2013/5 | 530 | -14.9% |
| 2012/5 | 624 | -20.7% |
| 2011/5 | 786 | - |