| （単位：百万） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2024/12 | 19,429 | +18.3% |
| 2023/12 | 16,420 | +24.4% |
| 2022/12 | 13,201 | +27.0% |
| 2021/12 | 10,391 | +28.4% |
| 2020/12 | 8,095 | +7.2% |
| 2019/12 | 7,550 | +13.8% |
| 2018/12 | 6,635 | +8.7% |
| 2017/12 | 6,103 | +39.6% |
| 2016/12 | 4,371 | +4.8% |
| 2015/12 | 4,172 | -25.6% |
| 2014/12 | 5,608 | -11.3% |
| 2013/12 | 6,326 | +11.0% |
| 2012/12 | 5,697 | +4.6% |
| 2011/12 | 5,445 | - |