| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 73,148 | +83.4% |
| 2023/12 | 39,887 | -69.7% |
| 2022/12 | 131,610 | -42.6% |
| 2021/12 | 229,430 | +825.9% |
| 2020/12 | 24,780 | -68.8% |
| 2019/12 | 79,391 | -1.7% |
| 2018/12 | 80,744 | -48.6% |
| 2017/12 | 157,212 | +28.9% |
| 2016/12 | 121,931 | -53.8% |
| 2015/12 | 264,071 | +54.9% |
| 2014/12 | 170,480 | +105.8% |
| 2013/3 | 82,827 | +48.7% |
| 2012/3 | 55,691 | - |