| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 4,110 | +34.8% |
| 2024/5 | 3,049 | +16.2% |
| 2023/5 | 2,625 | +14.1% |
| 2022/5 | 2,301 | +27.5% |
| 2021/5 | 1,804 | +7.0% |
| 2020/5 | 1,685 | +32.4% |
| 2019/5 | 1,272 | +11.9% |
| 2018/5 | 1,136 | +3.1% |
| 2017/5 | 1,102 | +1.7% |
| 2016/5 | 1,084 | +87.3% |
| 2015/5 | 578 | -33.4% |
| 2014/5 | 869 | +88.7% |
| 2013/5 | 460 | +84.6% |
| 2012/5 | 249 | -25.1% |
| 2011/5 | 333 | - |