| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/10 | 4,327 | +55.3% |
| 2024/10 | 2,787 | +22.2% |
| 2023/10 | 2,281 | +15.2% |
| 2022/10 | 1,980 | -3.6% |
| 2021/10 | 2,055 | +33.6% |
| 2020/10 | 1,538 | -9.7% |
| 2019/10 | 1,703 | +8.6% |
| 2018/10 | 1,568 | +37.2% |
| 2017/10 | 1,143 | +23.0% |
| 2016/10 | 929 | -1.8% |
| 2015/10 | 946 | +1.2% |
| 2014/10 | 935 | -7.0% |
| 2013/10 | 1,005 | -4.7% |
| 2012/10 | 1,055 | +13.3% |
| 2011/10 | 931 | - |