| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/8 | 334,664 | +69.5% |
| 2023/8 | 197,443 | -37.9% |
| 2022/8 | 317,972 | -3.5% |
| 2021/8 | 329,526 | +1.5% |
| 2020/8 | 324,514 | +35.0% |
| 2019/8 | 240,313 | +11.5% |
| 2018/8 | 215,532 | +1.9% |
| 2017/8 | 211,610 | +6.5% |
| 2016/8 | 198,633 | +341.1% |
| 2015/8 | 45,027 | -32.6% |
| 2014/8 | 66,783 | +53.1% |
| 2013/8 | 43,631 | +54.8% |
| 2012/8 | 28,180 | -30.2% |
| 2011/8 | 40,365 | -1.6% |
| 2010/8 | 41,023 | - |