| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 1,103 | +5.6% |
| 2024/12 | 1,045 | -17.9% |
| 2023/12 | 1,273 | -10.9% |
| 2022/12 | 1,429 | -10.3% |
| 2021/12 | 1,593 | +68.2% |
| 2020/12 | 947 | -21.7% |
| 2019/12 | 1,210 | -44.7% |
| 2018/12 | 2,189 | +4.8% |
| 2017/12 | 2,088 | +12.9% |
| 2016/12 | 1,850 | +363.7% |
| 2015/12 | 399 | -4.8% |
| 2014/12 | 419 | +7.2% |
| 2013/12 | 391 | +1.6% |
| 2012/12 | 385 | -12.1% |
| 2011/12 | 438 | - |