| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 36,884 | -50.6% |
| 2023/9 | 74,700 | +28.2% |
| 2022/9 | 58,268 | -60.9% |
| 2021/9 | 149,057 | +272.3% |
| 2020/9 | 40,035 | +142.6% |
| 2019/9 | 16,502 | +95.3% |
| 2018/9 | 8,448 | -72.1% |
| 2017/9 | 30,279 | +21.8% |
| 2016/9 | 24,863 | +3.9% |
| 2015/9 | 23,921 | +47.0% |
| 2014/9 | 16,269 | +183.9% |
| 2013/9 | 5,730 | -1.5% |
| 2012/9 | 5,819 | -42.9% |
| 2011/9 | 10,187 | - |