| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 3,203 | +5.6% |
| 2024/5 | 3,032 | -0.9% |
| 2023/5 | 3,059 | -2.0% |
| 2022/5 | 3,121 | +12.1% |
| 2021/5 | 2,784 | +37.2% |
| 2020/5 | 2,029 | +60.9% |
| 2019/5 | 1,261 | +30.5% |
| 2018/5 | 966 | -435.4% |
| 2017/5 | -288 | -130.3% |
| 2016/5 | 949 | -32.1% |
| 2015/5 | 1,398 | -17.9% |
| 2014/5 | 1,703 | +61.0% |
| 2013/5 | 1,058 | -1374.7% |
| 2012/5 | -83 | -93.8% |
| 2011/5 | -1,330 | - |