| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 1,200 | +1.9% |
| 2024/5 | 1,177 | -17.4% |
| 2023/5 | 1,426 | +9.5% |
| 2022/5 | 1,302 | -9.3% |
| 2021/5 | 1,436 | +27.9% |
| 2020/5 | 1,122 | -12.6% |
| 2019/5 | 1,284 | +31.2% |
| 2018/5 | 978 | -34.3% |
| 2017/5 | 1,489 | +1.6% |
| 2016/5 | 1,465 | +7.2% |
| 2015/5 | 1,366 | +19.6% |
| 2014/5 | 1,142 | +28.9% |
| 2013/5 | 886 | +2.6% |
| 2012/5 | 863 | -13.5% |
| 2011/5 | 998 | +1.7% |
| 2010/5 | 981 | - |