| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 493 | +17.1% |
| 2024/12 | 421 | +10.2% |
| 2023/12 | 382 | +0.5% |
| 2022/12 | 380 | -51.3% |
| 2021/12 | 780 | -35.6% |
| 2020/12 | 1,212 | +198.5% |
| 2019/12 | 406 | -1.2% |
| 2018/12 | 411 | -85.0% |
| 2017/12 | 2,745 | +24.6% |
| 2016/12 | 2,203 | +19.5% |
| 2015/12 | 1,843 | -5.4% |
| 2014/12 | 1,949 | +14.0% |
| 2013/12 | 1,710 | -7.4% |
| 2012/12 | 1,846 | - |
| 2010/12 | 1,499 | - |