| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 7,522 | +783.6% |
| 2023/12 | 851 | -84.9% |
| 2022/12 | 5,653 | -26.0% |
| 2021/12 | 7,635 | +0.6% |
| 2020/12 | 7,591 | +10.5% |
| 2019/12 | 6,867 | -9.9% |
| 2018/12 | 7,622 | -50.6% |
| 2017/12 | 15,443 | +51.1% |
| 2016/12 | 10,218 | -4.7% |
| 2015/12 | 10,719 | +14.2% |
| 2014/12 | 9,389 | +5.9% |
| 2013/12 | 8,863 | +14.5% |
| 2012/12 | 7,743 | -58.3% |
| 2011/12 | 18,591 | - |