| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2025/6 | 35,935 | -4.1% |
| 2024/6 | 37,460 | -0.8% |
| 2023/6 | 37,747 | -0.6% |
| 2022/6 | 37,982 | +12.3% |
| 2021/6 | 33,833 | +1188.9% |
| 2020/6 | 2,625 | -66.2% |
| 2019/6 | 7,761 | -18.4% |
| 2018/6 | 9,513 | +2.1% |
| 2017/6 | 9,321 | -9.4% |
| 2016/6 | 10,290 | -28.7% |
| 2015/6 | 14,423 | -25.6% |
| 2014/6 | 19,376 | -8.9% |
| 2013/6 | 21,272 | -9.1% |
| 2012/6 | 23,403 | - |