| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 60,725 | +9.2% |
| 2024/5 | 55,603 | +6.9% |
| 2023/5 | 52,009 | +1.6% |
| 2022/5 | 51,182 | +4.1% |
| 2021/5 | 49,175 | +3.1% |
| 2020/5 | 47,686 | +10.0% |
| 2019/5 | 43,360 | +11.9% |
| 2018/5 | 38,751 | +6.6% |
| 2017/5 | 36,360 | +8.3% |
| 2016/5 | 33,568 | +11.0% |
| 2015/5 | 30,246 | +11.3% |
| 2014/5 | 27,171 | +2.6% |
| 2013/5 | 26,494 | +11.7% |
| 2012/5 | 23,709 | - |