| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 28,300 | -78.4% |
| 2023/12 | 130,982 | -36.6% |
| 2022/12 | 206,669 | -37.4% |
| 2021/12 | 330,170 | +105.2% |
| 2020/12 | 160,914 | +139.0% |
| 2019/12 | 67,338 | +17.0% |
| 2018/12 | 57,538 | -44.5% |
| 2017/12 | 103,638 | +21.0% |
| 2016/12 | 85,629 | -18.7% |
| 2015/12 | 105,357 | +98.5% |
| 2014/12 | 53,075 | +180.7% |
| 2013/12 | 18,905 | +135.3% |
| 2012/12 | 8,034 | -37.5% |
| 2011/12 | 12,863 | - |