| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2025/1 | 446,704 | -5.0% |
| 2024/1 | 470,317 | -1.3% |
| 2023/1 | 476,752 | +15.3% |
| 2022/1 | 413,587 | +21.1% |
| 2021/1 | 341,641 | -25.0% |
| 2020/1 | 455,479 | +5.6% |
| 2019/1 | 431,180 | +10.9% |
| 2018/1 | 388,739 | -6.5% |
| 2017/1 | 415,919 | +5.9% |
| 2016/1 | 392,788 | +9.7% |
| 2015/1 | 358,006 | +13.2% |
| 2014/1 | 316,334 | +16.3% |
| 2013/1 | 272,094 | +8.1% |
| 2012/1 | 251,695 | - |