| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2023/9 | 6,160 | -95.1% |
| 2022/9 | 126,554 | -61.6% |
| 2021/9 | 329,630 | -8.5% |
| 2020/9 | 360,333 | -3.4% |
| 2019/9 | 373,063 | -39.3% |
| 2018/9 | 614,705 | +78.8% |
| 2017/9 | 343,700 | -6.6% |
| 2016/9 | 367,824 | -4.2% |
| 2015/9 | 383,882 | +5.5% |
| 2014/9 | 363,877 | +3.2% |
| 2013/9 | 352,450 | +9.8% |
| 2012/9 | 320,970 | -1.5% |
| 2011/9 | 325,766 | +25.4% |
| 2010/9 | 259,742 | - |