| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 10,261 | +15.3% |
| 2024/12 | 8,900 | +64.9% |
| 2023/12 | 5,397 | -18.1% |
| 2022/12 | 6,592 | -3.6% |
| 2021/12 | 6,838 | +118.1% |
| 2020/12 | 3,136 | -3.7% |
| 2019/12 | 3,257 | +85.6% |
| 2018/12 | 1,755 | +18.1% |
| 2017/12 | 1,486 | +72.0% |
| 2016/12 | 864 | +36.7% |
| 2015/12 | 632 | +37.4% |
| 2014/12 | 460 | +18.0% |
| 2013/12 | 389 | +43.7% |
| 2012/12 | 271 | -1.7% |
| 2011/12 | 275 | -25.4% |
| 2010/12 | 370 | - |