| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 2,641 | +4.4% |
| 2023/12 | 2,530 | -3.5% |
| 2022/12 | 2,622 | -0.6% |
| 2021/12 | 2,639 | +4.8% |
| 2020/12 | 2,517 | +0.3% |
| 2019/12 | 2,510 | -0.6% |
| 2018/12 | 2,526 | 0.0% |
| 2017/12 | 2,525 | +0.7% |
| 2016/12 | 2,508 | -12.5% |
| 2015/12 | 2,866 | -4.5% |
| 2014/12 | 3,002 | -42.1% |
| 2013/12 | 5,188 | -23.0% |
| 2012/12 | 6,736 | -29.7% |
| 2011/12 | 9,585 | - |