| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 49,454 | -55.6% |
| 2023/9 | 111,338 | -68.4% |
| 2022/9 | 352,020 | +9683.8% |
| 2021/9 | 3,598 | +16.0% |
| 2020/9 | 3,101 | +9.0% |
| 2019/9 | 2,845 | -60.7% |
| 2018/9 | 7,237 | +173.9% |
| 2017/9 | 2,642 | -56.7% |
| 2016/9 | 6,096 | -90.4% |
| 2015/9 | 63,287 | -23.9% |
| 2014/9 | 83,212 | +87.0% |
| 2013/9 | 44,491 | -25.8% |
| 2012/9 | 59,946 | -26.3% |
| 2011/9 | 81,290 | - |