| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 32,823 | -36.5% |
| 2024/12 | 51,725 | -7.6% |
| 2023/12 | 56,004 | -11.6% |
| 2022/12 | 63,318 | +2738.1% |
| 2021/12 | 2,231 | - |
| 2019/12 | 15,542 | -69.8% |
| 2018/12 | 51,526 | -34.4% |
| 2017/12 | 78,570 | -37.1% |
| 2016/12 | 124,834 | +92.8% |
| 2015/12 | 64,752 | +12.8% |
| 2014/12 | 57,390 | +59.3% |
| 2013/12 | 36,037 | +50.0% |
| 2012/12 | 24,030 | +71.6% |
| 2011/12 | 14,007 | - |