| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 30,978 | +26.7% |
| 2024/5 | 24,454 | +2.8% |
| 2023/5 | 23,797 | +2.8% |
| 2022/5 | 23,155 | -14.7% |
| 2021/5 | 27,156 | +26.7% |
| 2020/5 | 21,435 | +11.7% |
| 2019/5 | 19,185 | +8.8% |
| 2018/5 | 17,633 | -3.2% |
| 2017/5 | 18,215 | +46.5% |
| 2016/5 | 12,435 | +6.3% |
| 2015/5 | 11,694 | +10.3% |
| 2014/5 | 10,600 | +12.8% |
| 2013/5 | 9,396 | +21.4% |
| 2012/5 | 7,737 | +34.9% |
| 2011/5 | 5,737 | - |