| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 235 | -71.6% |
| 2025/5 | 828 | -28.5% |
| 2024/5 | 1,158 | +51.1% |
| 2023/5 | 766 | +13233.7% |
| 2022/5 | 5 | -99.0% |
| 2021/5 | 582 | +36922.6% |
| 2020/5 | 1 | -100.9% |
| 2019/5 | -180 | -189.1% |
| 2018/5 | 201 | -29.5% |
| 2017/5 | 286 | +68.7% |
| 2016/5 | 169 | -261.4% |
| 2015/5 | -106 | -122.8% |
| 2014/5 | 459 | +258.5% |
| 2013/5 | 128 | +269.2% |
| 2012/5 | 34 | -89.4% |
| 2011/5 | 326 | - |