| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 275 | -80.7% |
| 2023/12 | 1,431 | +346.6% |
| 2022/12 | 320 | -70.5% |
| 2021/12 | 1,088 | -22.2% |
| 2020/12 | 1,398 | +67.4% |
| 2019/12 | 835 | +299.6% |
| 2018/12 | 209 | -63.2% |
| 2017/12 | 567 | -27.2% |
| 2016/12 | 779 | +0.6% |
| 2015/12 | 774 | -11.0% |
| 2014/12 | 869 | +51.8% |
| 2013/12 | 573 | -12.9% |
| 2012/12 | 657 | +72.7% |
| 2011/12 | 380 | -40.2% |
| 2010/12 | 636 | - |