| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 8,580 | +69.3% |
| 2023/9 | 5,068 | -46.9% |
| 2022/9 | 9,544 | -92.8% |
| 2021/9 | 132,778 | +29.0% |
| 2020/9 | 102,939 | -71.3% |
| 2019/9 | 358,402 | -12.8% |
| 2018/9 | 411,184 | +44.4% |
| 2017/9 | 284,802 | +3.0% |
| 2016/9 | 276,375 | -30.5% |
| 2015/9 | 397,656 | -17.7% |
| 2014/9 | 482,917 | -33.8% |
| 2013/9 | 728,981 | +10.0% |
| 2012/9 | 662,803 | +41.0% |
| 2011/9 | 470,203 | +8.4% |
| 2010/9 | 433,570 | - |