| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/3 | 157,947 | +11.8% |
| 2025/3 | 141,324 | +14.8% |
| 2024/3 | 123,113 | +14.7% |
| 2023/3 | 107,313 | +17.1% |
| 2022/3 | 91,611 | +19.4% |
| 2021/3 | 76,743 | +5.0% |
| 2020/3 | 73,069 | +17.6% |
| 2019/3 | 62,113 | +30.7% |
| 2018/3 | 47,523 | +40.6% |
| 2017/3 | 33,789 | +69.6% |
| 2016/3 | 19,922 | +10.9% |
| 2015/3 | 17,971 | +54.7% |
| 2014/3 | 11,615 | +47.3% |
| 2013/3 | 7,885 | - |