| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2023/9 | 139,148 | -26.5% |
| 2022/9 | 189,213 | +387.2% |
| 2021/9 | 38,839 | -17.3% |
| 2020/9 | 46,948 | -60.6% |
| 2019/9 | 119,146 | -33.1% |
| 2018/9 | 178,138 | -28.1% |
| 2017/9 | 247,757 | +103.7% |
| 2016/9 | 121,629 | -12.4% |
| 2015/9 | 138,901 | -39.9% |
| 2014/9 | 231,208 | +64.8% |
| 2013/9 | 140,267 | -53.7% |
| 2012/9 | 302,693 | -22.6% |
| 2011/9 | 391,281 | +29.4% |
| 2010/9 | 302,269 | - |