| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 17,773 | +121.6% |
| 2023/12 | 8,019 | -69.6% |
| 2022/12 | 26,419 | +84.2% |
| 2021/12 | 14,340 | -75.8% |
| 2020/12 | 59,357 | +358.0% |
| 2019/12 | 12,960 | -45.0% |
| 2018/12 | 23,579 | -36.3% |
| 2017/12 | 37,034 | -56.2% |
| 2016/12 | 84,479 | +30.4% |
| 2015/12 | 64,789 | +19.3% |
| 2014/12 | 54,318 | -15.2% |
| 2013/12 | 64,023 | +73.2% |
| 2012/12 | 36,965 | - |