| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 1,776 | +20.4% |
| 2024/12 | 1,475 | -22.8% |
| 2023/12 | 1,909 | +45.1% |
| 2022/12 | 1,316 | -20.2% |
| 2021/12 | 1,649 | +43.5% |
| 2020/12 | 1,149 | +49.8% |
| 2019/12 | 767 | +73.4% |
| 2018/12 | 442 | -12.0% |
| 2017/12 | 502 | +21756.5% |
| 2016/12 | 2 | -93.9% |
| 2015/12 | 38 | -69.1% |
| 2014/12 | 122 | -72.6% |
| 2013/12 | 448 | +46.6% |
| 2012/12 | 305 | -11.1% |
| 2011/12 | 343 | - |