| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2025/1 | 49,380 | -22.7% |
| 2024/1 | 63,869 | +7.9% |
| 2023/1 | 59,175 | +4.7% |
| 2022/1 | 56,514 | +12.8% |
| 2021/1 | 50,085 | +1.6% |
| 2020/1 | 49,298 | -0.4% |
| 2019/1 | 49,511 | +8.3% |
| 2018/1 | 45,700 | +3.0% |
| 2017/1 | 44,358 | +5.1% |
| 2016/1 | 42,212 | +6.2% |
| 2015/1 | 39,735 | +6.8% |
| 2014/1 | 37,201 | +3.1% |
| 2013/1 | 36,092 | +29.3% |
| 2012/1 | 27,919 | - |