| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/1 | 410,208 | +30.6% |
| 2024/1 | 314,152 | +205.5% |
| 2023/1 | 102,844 | -54.0% |
| 2022/1 | 223,557 | +80.8% |
| 2021/1 | 123,662 | +27.4% |
| 2020/1 | 97,096 | +69.5% |
| 2019/1 | 57,292 | -2.4% |
| 2018/1 | 58,688 | +32.5% |
| 2017/1 | 44,288 | +21.0% |
| 2016/1 | 36,600 | -65.0% |
| 2015/1 | 104,448 | -71.5% |
| 2014/1 | 366,422 | +145.0% |
| 2013/1 | 149,585 | +17.9% |
| 2012/1 | 126,913 | -63.9% |
| 2011/1 | 351,988 | - |