| （単位：百万） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2024/12 | 180,073 | +11.7% |
| 2023/12 | 161,240 | +8.7% |
| 2022/12 | 148,341 | +2.2% |
| 2021/12 | 145,160 | +7.3% |
| 2020/12 | 135,284 | +7.1% |
| 2019/12 | 126,268 | -2.3% |
| 2018/12 | 129,246 | +26.3% |
| 2017/12 | 102,328 | +19.4% |
| 2016/12 | 85,734 | +14.8% |
| 2015/12 | 74,659 | +56.7% |
| 2014/12 | 47,660 | +38.0% |
| 2013/12 | 34,525 | +43.6% |
| 2012/12 | 24,038 | +76.7% |
| 2011/12 | 13,604 | +95.3% |
| 2010/12 | 6,966 | - |