| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 11,111 | -5.5% |
| 2023/12 | 11,759 | -14.7% |
| 2022/12 | 13,784 | -9.4% |
| 2021/12 | 15,221 | -28.3% |
| 2020/12 | 21,216 | +152.2% |
| 2019/12 | 8,413 | -25.9% |
| 2018/12 | 11,346 | -4.2% |
| 2017/12 | 11,847 | +8.9% |
| 2016/12 | 10,880 | -24.3% |
| 2015/12 | 14,371 | +21.9% |
| 2014/12 | 11,793 | -46.3% |
| 2013/12 | 21,974 | +64.3% |
| 2012/12 | 13,378 | -24.5% |
| 2011/12 | 17,727 | - |