| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 72,000 | -13.3% |
| 2023/12 | 83,000 | -35.7% |
| 2022/12 | 129,000 | +67.5% |
| 2021/12 | 77,000 | +3750.0% |
| 2020/12 | 2,000 | -99.8% |
| 2019/12 | 996,000 | +293.7% |
| 2018/12 | 253,000 | +1305.6% |
| 2017/12 | 18,000 | -95.7% |
| 2016/12 | 417,000 | -48.5% |
| 2015/12 | 810,000 | +177.4% |
| 2014/12 | 292,000 | -40.0% |
| 2013/12 | 487,000 | -17.0% |
| 2012/12 | 587,000 | +12.2% |
| 2011/12 | 523,000 | +868.5% |
| 2010/12 | 54,000 | - |