| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 402,870 | +108.3% |
| 2023/12 | 193,436 | +27.1% |
| 2022/12 | 152,167 | -25.0% |
| 2021/12 | 202,814 | -30.8% |
| 2020/12 | 293,269 | - |
| 2018/12 | 93,001 | -24.4% |
| 2017/12 | 122,938 | +94.6% |
| 2016/12 | 63,167 | -49.9% |
| 2015/12 | 126,052 | +30.4% |
| 2014/12 | 96,631 | -36.8% |
| 2013/12 | 152,922 | +236.4% |
| 2012/12 | 45,460 | -11.0% |
| 2011/12 | 51,079 | - |