| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/3 | 42,011 | +6.7% |
| 2025/3 | 39,356 | +5.1% |
| 2024/3 | 37,440 | +1.0% |
| 2023/3 | 37,084 | +2.5% |
| 2022/3 | 36,166 | +3.1% |
| 2021/3 | 35,070 | +4.4% |
| 2020/3 | 33,581 | +5.5% |
| 2019/3 | 31,815 | +10.2% |
| 2018/3 | 28,882 | +11.2% |
| 2017/3 | 25,967 | +17.5% |
| 2016/3 | 22,095 | +19.0% |
| 2015/3 | 18,562 | +14.6% |
| 2014/3 | 16,204 | +3.9% |
| 2013/3 | 15,601 | - |