| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 525,695 | +52.0% |
| 2024/12 | 345,946 | +34.3% |
| 2023/12 | 257,633 | +85.5% |
| 2022/12 | 138,917 | -66.4% |
| 2021/12 | 413,380 | +44.1% |
| 2020/12 | 286,831 | +14.0% |
| 2019/12 | 251,696 | +17.9% |
| 2018/12 | 213,558 | -11.5% |
| 2017/12 | 241,411 | +28.9% |
| 2016/12 | 187,299 | -35.7% |
| 2015/12 | 291,136 | +73.5% |
| 2014/12 | 167,820 | -4.7% |
| 2013/12 | 176,155 | - |