| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 2,684 | +26.1% |
| 2025/5 | 2,128 | +127.6% |
| 2024/5 | 935 | +13.5% |
| 2023/5 | 824 | -188.6% |
| 2022/5 | -930 | -195.2% |
| 2021/5 | 977 | -9.6% |
| 2020/5 | 1,081 | +56.7% |
| 2019/5 | 690 | -0.3% |
| 2018/5 | 692 | -41.1% |
| 2017/5 | 1,174 | +32.1% |
| 2016/5 | 889 | -19.5% |
| 2015/5 | 1,105 | +71.6% |
| 2014/5 | 644 | -10.8% |
| 2013/5 | 722 | -8.0% |
| 2012/5 | 785 | +15.8% |
| 2011/5 | 678 | - |