| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 3,918 | +47.2% |
| 2024/5 | 2,661 | +26.1% |
| 2023/5 | 2,111 | +13.9% |
| 2022/5 | 1,853 | +42.3% |
| 2021/5 | 1,302 | -420.7% |
| 2020/5 | -406 | -130.0% |
| 2019/5 | 1,352 | -29.4% |
| 2018/5 | 1,914 | +61.3% |
| 2017/5 | 1,186 | +2.9% |
| 2016/5 | 1,153 | -15.2% |
| 2015/5 | 1,359 | +20.9% |
| 2014/5 | 1,125 | -41.0% |
| 2013/5 | 1,905 | +172.3% |
| 2012/5 | 699 | -50.7% |
| 2011/5 | 1,420 | - |