| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/5 | 46,320 | -2.7% |
| 2025/5 | 47,588 | -1.0% |
| 2024/5 | 48,059 | -16.3% |
| 2023/5 | 57,441 | +1.8% |
| 2022/5 | 56,427 | +9.9% |
| 2021/5 | 51,348 | +11.4% |
| 2020/5 | 46,109 | +10.1% |
| 2019/5 | 41,865 | +28.9% |
| 2018/5 | 32,469 | +41.9% |
| 2017/5 | 22,876 | +15.6% |
| 2016/5 | 19,792 | +13.6% |
| 2015/5 | 17,421 | +16.3% |
| 2014/5 | 14,976 | +6.4% |
| 2013/5 | 14,071 | - |