| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 2,545 | +32.5% |
| 2023/9 | 1,921 | -10.1% |
| 2022/9 | 2,136 | +25.3% |
| 2021/9 | 1,705 | +638.1% |
| 2020/9 | 231 | -89.5% |
| 2019/9 | 2,200 | -46.1% |
| 2018/9 | 4,082 | +111.9% |
| 2017/9 | 1,926 | -51.0% |
| 2016/9 | 3,931 | +16.2% |
| 2015/9 | 3,384 | +12.2% |
| 2014/9 | 3,015 | +9.2% |
| 2013/9 | 2,760 | -15.9% |
| 2012/9 | 3,283 | +361.7% |
| 2011/9 | 711 | +2862.5% |
| 2010/9 | 24 | - |