| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 22,304 | +55.4% |
| 2023/12 | 14,356 | -37.6% |
| 2022/12 | 23,007 | +324.2% |
| 2021/12 | 5,423 | -80.0% |
| 2020/12 | 27,164 | -80.6% |
| 2019/12 | 140,384 | -17.1% |
| 2018/12 | 169,412 | +11.1% |
| 2017/12 | 152,538 | -13.8% |
| 2016/12 | 177,021 | +3792.8% |
| 2015/12 | 4,547 | - |
| 2013/12 | 0 | -100.0% |
| 2012/12 | 60,802 | -0.0% |
| 2011/12 | 60,808 | -29.7% |
| 2010/12 | 86,447 | - |