| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 71,819 | +8.6% |
| 2024/12 | 66,134 | -12.3% |
| 2023/12 | 75,428 | -84.8% |
| 2022/12 | 495,852 | -11.8% |
| 2021/12 | 562,475 | +56.9% |
| 2020/12 | 358,522 | -12.5% |
| 2019/12 | 409,514 | +55.6% |
| 2018/12 | 263,117 | +368.7% |
| 2017/12 | 56,133 | -7.1% |
| 2016/12 | 60,444 | +24.0% |
| 2015/12 | 48,762 | -35.3% |
| 2014/12 | 75,347 | +106.3% |
| 2013/12 | 36,528 | - |