| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 20,575 | -14.8% |
| 2023/12 | 24,147 | -28.4% |
| 2022/12 | 33,747 | -68.2% |
| 2021/12 | 106,077 | +293.5% |
| 2020/12 | 26,954 | -64.3% |
| 2019/12 | 75,557 | +44.7% |
| 2018/12 | 52,215 | -32.6% |
| 2017/12 | 77,461 | +35.6% |
| 2016/12 | 57,134 | -31.0% |
| 2015/12 | 82,820 | -35.3% |
| 2014/12 | 127,956 | -66.5% |
| 2013/12 | 382,242 | +44.4% |
| 2012/12 | 264,757 | -42.2% |
| 2011/12 | 458,014 | - |