| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 1,488 | -83.0% |
| 2024/5 | 8,764 | +0.3% |
| 2023/5 | 8,735 | +5.1% |
| 2022/5 | 8,309 | +15.5% |
| 2021/5 | 7,194 | +40.4% |
| 2020/5 | 5,125 | +29.6% |
| 2019/5 | 3,953 | +93.1% |
| 2018/5 | 2,047 | +127.2% |
| 2017/5 | 901 | -329.8% |
| 2016/5 | -392 | -38.8% |
| 2015/5 | -641 | -137.3% |
| 2014/5 | 1,717 | -35.2% |
| 2013/5 | 2,648 | +238.2% |
| 2012/5 | 783 | -542.4% |
| 2011/5 | -177 | - |