| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 335,048 | +131.0% |
| 2024/12 | 145,055 | +257.9% |
| 2023/12 | 40,534 | -13.2% |
| 2022/12 | 46,708 | -69.3% |
| 2021/12 | 152,050 | +311.5% |
| 2020/12 | 36,954 | -13.4% |
| 2019/12 | 42,650 | - |
| 2018/12 | 0 | -100.0% |
| 2017/12 | 16,518 | +115.3% |
| 2016/12 | 7,672 | +4186.0% |
| 2015/12 | 179 | - |
| 2014/12 | 0 | -100.0% |
| 2013/12 | 2,502 | - |
| 2011/12 | 0 | - |