| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | -1,927 | +1942.7% |
| 2025/5 | -95 | -101.8% |
| 2024/5 | 5,237 | +63.2% |
| 2023/5 | 3,208 | +67.8% |
| 2022/5 | 1,911 | +76.6% |
| 2021/5 | 1,082 | +256.1% |
| 2020/5 | 303 | -85.8% |
| 2019/5 | 2,148 | -34.2% |
| 2018/5 | 3,265 | +26.9% |
| 2017/5 | 2,573 | +53.0% |
| 2016/5 | 1,681 | -32.4% |
| 2015/5 | 2,488 | +11.4% |
| 2014/5 | 2,233 | +38.0% |
| 2013/5 | 1,618 | -11.1% |
| 2012/5 | 1,820 | - |