| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -2,139 | +145.3% |
| 2024/5 | -872 | -149.8% |
| 2023/5 | 1,752 | +171.6% |
| 2022/5 | 645 | -68.3% |
| 2021/5 | 2,037 | -281.1% |
| 2020/5 | -1,125 | -2.6% |
| 2019/5 | -1,155 | +140.1% |
| 2018/5 | -481 | -119.7% |
| 2017/5 | 2,440 | +542.1% |
| 2016/5 | 380 | -93.6% |
| 2015/5 | 5,949 | -53.2% |
| 2014/5 | 12,698 | +9.1% |
| 2013/5 | 11,635 | +238.2% |
| 2012/5 | 3,440 | -392.0% |
| 2011/5 | -1,178 | - |