| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,470 | -19.0% |
| 3Q25 | 1,751 | -9.4% |
| 2Q25 | 1,845 | +25.9% |
| 1Q25 | 1,872 | +154.2% |
| 4Q24 | 1,815 | +396.9% |
| 3Q24 | 1,933 | +976.6% |
| 2Q24 | 1,465 | +673.0% |
| 1Q24 | 736 | +345.8% |
| 4Q23 | 365 | +63.9% |
| 3Q23 | 179 | -8.6% |
| 2Q23 | 189 | -39.8% |
| 1Q23 | 165 | -67.1% |
| 4Q22 | 222 | -73.6% |
| 3Q22 | 196 | -76.6% |
| 2Q22 | 314 | -60.8% |
| 1Q22 | 502 | +52.4% |
| 4Q21 | 844 | - |
| 3Q21 | 838 | - |
| 1Q21 | 803 | - |
| 1Q21 | 329 | - |