| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 9,759 | -39.9% |
| 2024/5 | 16,236 | +69.6% |
| 2023/5 | 9,574 | -22.3% |
| 2022/5 | 12,327 | +60.4% |
| 2021/5 | 7,686 | +25.5% |
| 2020/5 | 6,123 | -11.1% |
| 2019/5 | 6,884 | +18.8% |
| 2018/5 | 5,793 | -5.7% |
| 2017/5 | 6,145 | +17.2% |
| 2016/5 | 5,243 | +37.3% |
| 2015/5 | 3,820 | +42.5% |
| 2014/5 | 2,681 | -13.5% |
| 2013/5 | 3,098 | +62.9% |
| 2012/5 | 1,902 | +44.1% |
| 2011/5 | 1,320 | +31.9% |
| 2010/5 | 1,001 | - |