| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 310,013 | -51.4% |
| 2024/12 | 638,321 | +2068.6% |
| 2023/12 | 29,435 | -90.6% |
| 2022/12 | 313,874 | +17.8% |
| 2021/12 | 266,375 | +172.9% |
| 2020/12 | 97,608 | -36.2% |
| 2019/12 | 152,929 | -30.5% |
| 2018/12 | 220,119 | +53.1% |
| 2017/12 | 143,814 | +345.9% |
| 2016/12 | 32,250 | -45.3% |
| 2015/12 | 58,905 | -53.0% |
| 2014/12 | 125,382 | +362.2% |
| 2013/12 | 27,125 | - |