| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,416 | +6.1% |
| 2025/5 | 1,334 | -0.4% |
| 2024/5 | 1,339 | +24.6% |
| 2023/5 | 1,075 | -0.9% |
| 2022/5 | 1,085 | +27.3% |
| 2021/5 | 852 | +3.5% |
| 2020/5 | 823 | -52.0% |
| 2019/5 | 1,715 | +130.3% |
| 2018/5 | 744 | +6.0% |
| 2017/5 | 702 | -5.9% |
| 2016/5 | 746 | -8.0% |
| 2015/5 | 811 | +58.3% |
| 2014/5 | 512 | +123.7% |
| 2013/5 | 229 | +481.1% |
| 2012/5 | 39 | +138.7% |
| 2011/5 | 16 | - |