| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 15,685 | +14.6% |
| 2024/5 | 13,691 | +5.9% |
| 2023/5 | 12,925 | +2.6% |
| 2022/5 | 12,595 | +1.8% |
| 2021/5 | 12,376 | +1.0% |
| 2020/5 | 12,254 | +26.1% |
| 2019/5 | 9,719 | +1.9% |
| 2018/5 | 9,540 | -5.7% |
| 2017/5 | 10,119 | +9.1% |
| 2016/5 | 9,274 | +41.4% |
| 2015/5 | 6,561 | +13.5% |
| 2014/5 | 5,779 | -3.1% |
| 2013/5 | 5,965 | +23.7% |
| 2012/5 | 4,824 | +6.3% |
| 2011/5 | 4,540 | - |