| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 47,800 | - |
| 2022/12 | 24,018 | +121.5% |
| 2021/12 | 10,844 | -28.4% |
| 2020/12 | 15,148 | +144.0% |
| 2019/12 | 6,207 | -5.7% |
| 2018/12 | 6,583 | -12.9% |
| 2017/12 | 7,561 | +51.2% |
| 2016/12 | 5,002 | +230.2% |
| 2015/12 | 1,515 | -69.2% |
| 2014/12 | 4,920 | -29.9% |
| 2013/12 | 7,019 | -27.0% |
| 2012/12 | 9,614 | +145.1% |
| 2011/12 | 3,923 | +228.6% |
| 2010/12 | 1,194 | - |