| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 8,884 | -61.8% |
| 2023/12 | 23,265 | +0.5% |
| 2022/12 | 23,144 | +7.0% |
| 2021/12 | 21,632 | +50.2% |
| 2020/12 | 14,404 | +68.4% |
| 2019/12 | 8,553 | +19.4% |
| 2018/12 | 7,162 | -7.0% |
| 2017/12 | 7,699 | -45.9% |
| 2016/12 | 14,221 | +2.6% |
| 2015/12 | 13,856 | +45.4% |
| 2014/12 | 9,530 | -42.5% |
| 2013/12 | 16,567 | -21.5% |
| 2012/12 | 21,115 | -9.0% |
| 2011/12 | 23,214 | - |