| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/9 | 59,822 | +144.1% |
| 2024/9 | 24,505 | +286.3% |
| 2023/9 | 6,343 | -72.1% |
| 2022/9 | 22,747 | -38.4% |
| 2021/9 | 36,912 | +46.8% |
| 2020/9 | 25,143 | +5.2% |
| 2019/9 | 23,902 | +33.0% |
| 2018/9 | 17,974 | -9.3% |
| 2017/9 | 19,816 | +85.1% |
| 2016/9 | 10,703 | +29.1% |
| 2015/9 | 8,290 | -0.1% |
| 2014/9 | 8,302 | +22.6% |
| 2013/9 | 6,770 | +48.1% |
| 2012/9 | 4,572 | +68.9% |
| 2011/9 | 2,707 | - |