| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 11,221 | +317.6% |
| 2023/12 | 2,687 | -63.8% |
| 2022/12 | 17,585 | +226.4% |
| 2022/1 | 7,427 | +37.8% |
| 2021/1 | 5,388 | - |
| 2019/12 | 5,537 | +26.6% |
| 2018/12 | 4,372 | -36.2% |
| 2017/12 | 6,849 | -29.2% |
| 2016/12 | 3,593 | -79.5% |
| 2016/1 | 9,673 | -44.9% |
| 2015/1 | 17,542 | - |
| 2013/12 | 12,318 | -54.9% |
| 2012/12 | 27,317 | -16.4% |
| 2011/12 | 32,677 | - |