| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 1,213 | +7.7% |
| 2024/12 | 1,126 | +12.7% |
| 2023/12 | 999 | +18.8% |
| 2022/12 | 841 | -1.4% |
| 2021/12 | 853 | -53.0% |
| 2020/12 | 1,816 | -12.1% |
| 2019/12 | 2,065 | +16.9% |
| 2018/12 | 1,766 | -11.7% |
| 2017/12 | 2,001 | +4.2% |
| 2016/12 | 1,921 | +117.3% |
| 2015/12 | 884 | +8.3% |
| 2014/12 | 816 | +77.0% |
| 2013/12 | 461 | -1.3% |
| 2012/12 | 467 | +2.6% |
| 2011/12 | 455 | - |