| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 55,685 | -38.2% |
| 2023/12 | 90,174 | -37.0% |
| 2022/12 | 143,235 | +59.7% |
| 2021/12 | 89,704 | +117.0% |
| 2020/12 | 41,338 | +4472.8% |
| 2019/12 | 904 | +61.4% |
| 2018/12 | 560 | -97.4% |
| 2017/12 | 21,329 | -33.3% |
| 2016/12 | 31,990 | +1836.4% |
| 2015/12 | 1,652 | +43.0% |
| 2014/12 | 1,155 | -3.8% |
| 2013/12 | 1,200 | -83.8% |
| 2012/12 | 7,421 | -85.7% |
| 2011/12 | 51,740 | - |