| （単位：百万円） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2026/3 | 573,614 | -6.3% |
| 2025/3 | 612,186 | +4.3% |
| 2024/3 | 586,761 | -6.2% |
| 2023/3 | 625,324 | +5.6% |
| 2022/3 | 592,199 | +5.1% |
| 2021/3 | 563,628 | +10.3% |
| 2020/3 | 510,873 | +15.1% |
| 2019/3 | 443,802 | +21.0% |
| 2018/3 | 366,805 | +19.8% |
| 2017/3 | 306,128 | +39.5% |
| 2016/3 | 219,507 | +31.2% |
| 2015/3 | 167,283 | +20.2% |
| 2014/3 | 139,160 | +6.1% |
| 2013/3 | 131,202 | - |