| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 2,097 | -14.3% |
| 2024/5 | 2,448 | -4.7% |
| 2023/5 | 2,569 | -21.4% |
| 2022/5 | 3,269 | -6.3% |
| 2021/5 | 3,490 | +29.0% |
| 2020/5 | 2,705 | +4.1% |
| 2019/5 | 2,599 | +8.9% |
| 2018/5 | 2,387 | +93.5% |
| 2017/5 | 1,233 | -41.4% |
| 2016/5 | 2,103 | +535.0% |
| 2015/5 | 331 | +27.6% |
| 2014/5 | 259 | -56.7% |
| 2013/5 | 599 | -0.6% |
| 2012/5 | 603 | +23.3% |
| 2011/5 | 489 | - |