| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 14,441 | -55.6% |
| 2023/12 | 32,556 | -2.7% |
| 2022/12 | 33,444 | +204.5% |
| 2021/12 | 10,983 | +296.4% |
| 2020/12 | 2,771 | -92.9% |
| 2019/12 | 39,084 | -38.7% |
| 2018/12 | 63,749 | -55.0% |
| 2017/12 | 141,736 | +431.3% |
| 2016/12 | 26,675 | -18.7% |
| 2015/12 | 32,815 | -22.1% |
| 2014/12 | 42,140 | -24.0% |
| 2013/12 | 55,436 | -14.8% |
| 2012/12 | 65,049 | -5.1% |
| 2011/12 | 68,566 | - |