| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 14,019 | -26.3% |
| 2023/12 | 19,013 | -19.3% |
| 2022/12 | 23,568 | +103.5% |
| 2021/12 | 11,580 | -66.0% |
| 2020/12 | 34,088 | -3.8% |
| 2019/12 | 35,437 | -24.2% |
| 2018/12 | 46,750 | -18.6% |
| 2017/12 | 57,424 | +45.5% |
| 2016/12 | 39,477 | +18.9% |
| 2015/12 | 33,201 | +8.1% |
| 2014/12 | 30,706 | -15.5% |
| 2013/12 | 36,339 | +44.6% |
| 2012/12 | 25,137 | - |