| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 3,733 | -23.5% |
| 2024/5 | 4,877 | -8.6% |
| 2023/5 | 5,337 | +64.0% |
| 2022/5 | 3,255 | +35.4% |
| 2021/5 | 2,404 | -4.4% |
| 2020/5 | 2,516 | -20.9% |
| 2019/5 | 3,179 | +1529.1% |
| 2018/5 | 195 | -52.7% |
| 2017/5 | 412 | -230.2% |
| 2016/5 | -318 | -116.3% |
| 2015/5 | 1,948 | +250.2% |
| 2014/5 | 556 | -79.7% |
| 2013/5 | 2,738 | +3.7% |
| 2012/5 | 2,641 | +100.4% |
| 2011/5 | 1,317 | - |