| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/4 | 31,627 | +50.9% |
| 2024/4 | 20,960 | -11.2% |
| 2023/4 | 23,613 | +53.0% |
| 2022/4 | 15,433 | +27.0% |
| 2021/4 | 12,156 | -19.1% |
| 2020/4 | 15,030 | +60.1% |
| 2019/4 | 9,386 | -76.9% |
| 2018/4 | 40,656 | -3.4% |
| 2017/4 | 42,096 | +24.3% |
| 2016/4 | 33,859 | -27.6% |
| 2015/4 | 46,769 | -7.4% |
| 2014/4 | 50,505 | -26.7% |
| 2013/4 | 68,916 | +17.9% |
| 2012/4 | 58,457 | - |