| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/11 | 80,920 | -39.7% |
| 2023/10 | 134,278 | +279.5% |
| 2022/10 | 35,385 | -49.5% |
| 2021/10 | 70,038 | -14.8% |
| 2020/10 | 82,226 | +721.1% |
| 2019/10 | 10,014 | -83.0% |
| 2018/10 | 58,970 | +18.5% |
| 2017/10 | 49,783 | -44.8% |
| 2016/10 | 90,172 | -5.2% |
| 2015/10 | 95,105 | +90.0% |
| 2014/10 | 50,057 | +233.0% |
| 2013/10 | 15,031 | - |
| 2012/10 | 0 | -100.0% |
| 2011/10 | 50,264 | - |
| 2010/10 | 0 | - |