| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/6 | 15,405 | +5.5% |
| 2024/6 | 14,600 | +47.8% |
| 2023/6 | 9,879 | +43.4% |
| 2022/6 | 6,891 | +15.2% |
| 2021/6 | 5,984 | +101.8% |
| 2020/6 | 2,965 | +11.9% |
| 2019/6 | 2,649 | +42.3% |
| 2018/6 | 1,862 | -69.1% |
| 2017/6 | 6,023 | -42.3% |
| 2016/6 | 10,431 | -13.5% |
| 2015/6 | 12,053 | -17.4% |
| 2014/6 | 14,597 | +34.6% |
| 2013/6 | 10,844 | +10.9% |
| 2012/6 | 9,776 | -10.0% |
| 2011/6 | 10,865 | +40.1% |
| 2010/6 | 7,754 | - |