| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 773 | -22.1% |
| 2025/5 | 994 | +44.6% |
| 2024/5 | 687 | -54.2% |
| 2023/5 | 1,501 | +27.5% |
| 2022/5 | 1,177 | +42.2% |
| 2021/5 | 827 | +38.2% |
| 2020/5 | 598 | -28.4% |
| 2019/5 | 835 | -17.4% |
| 2018/5 | 1,011 | +34.8% |
| 2017/5 | 750 | +24.7% |
| 2016/5 | 601 | +84.1% |
| 2015/5 | 327 | +11.0% |
| 2014/5 | 294 | +118.8% |
| 2013/5 | 134 | -50.8% |
| 2012/5 | 273 | -17.1% |
| 2011/5 | 330 | - |