| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 21,419 | +83.2% |
| 2023/12 | 11,692 | +166.4% |
| 2022/12 | 4,388 | +75.0% |
| 2021/12 | 2,507 | -31.0% |
| 2020/12 | 3,635 | -88.5% |
| 2019/12 | 31,505 | +37.5% |
| 2018/12 | 22,918 | -47.8% |
| 2017/12 | 43,907 | -28.5% |
| 2016/12 | 61,375 | +0.7% |
| 2015/12 | 60,942 | -20.0% |
| 2014/12 | 76,223 | -20.6% |
| 2013/12 | 95,972 | +46.9% |
| 2012/12 | 65,349 | +4.9% |
| 2011/12 | 62,323 | - |