| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 89,267 | -8.7% |
| 2023/9 | 97,812 | -4.6% |
| 2022/9 | 102,514 | +63.2% |
| 2021/9 | 62,819 | +20.5% |
| 2020/9 | 52,149 | -71.0% |
| 2019/9 | 179,587 | -4.4% |
| 2018/9 | 187,782 | -40.3% |
| 2017/9 | 314,364 | -20.2% |
| 2016/9 | 393,904 | +22.7% |
| 2015/9 | 321,015 | +8.3% |
| 2014/9 | 296,335 | -3.3% |
| 2013/9 | 306,338 | -15.3% |
| 2012/9 | 361,614 | +32.6% |
| 2011/9 | 272,797 | +42.9% |
| 2010/9 | 190,837 | - |