| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2023/12 | 442,667 | +53.9% |
| 2022/12 | 287,543 | -1.1% |
| 2021/12 | 290,752 | +0.8% |
| 2020/12 | 288,369 | -49.4% |
| 2019/12 | 569,740 | +107.7% |
| 2018/12 | 274,343 | +1.6% |
| 2017/12 | 270,136 | +72.9% |
| 2016/12 | 156,203 | -16.2% |
| 2015/12 | 186,344 | +25.9% |
| 2014/12 | 147,966 | +293.8% |
| 2013/12 | 37,575 | +761.6% |
| 2012/12 | 4,361 | -1.6% |
| 2011/12 | 4,430 | - |