| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 336,000 | +106.1% |
| 2023/12 | 163,000 | -5.2% |
| 2022/12 | 172,000 | +341.0% |
| 2021/12 | 39,000 | +1850.0% |
| 2020/12 | 2,000 | -33.3% |
| 2019/12 | 3,000 | 0.0% |
| 2018/12 | 3,000 | +50.0% |
| 2017/12 | 2,000 | -97.8% |
| 2016/12 | 90,000 | +83.7% |
| 2015/12 | 49,000 | -18.3% |
| 2014/12 | 60,000 | -47.4% |
| 2013/12 | 114,000 | -16.2% |
| 2012/12 | 136,000 | +257.9% |
| 2011/12 | 38,000 | -71.4% |
| 2010/12 | 133,000 | - |