| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q25 | 412 | +48.7% |
| 4Q24 | 385 | +230.0% |
| 3Q24 | 331 | +709.8% |
| 2Q24 | 308 | +395.3% |
| 1Q24 | 277 | +199.4% |
| 4Q23 | 116 | -16.3% |
| 3Q23 | 40 | -79.3% |
| 2Q23 | 62 | -76.9% |
| 1Q23 | 92 | -74.4% |
| 4Q22 | 139 | -69.4% |
| 3Q22 | 197 | -60.8% |
| 2Q22 | 269 | -45.4% |
| 1Q22 | 362 | -24.8% |
| 4Q21 | 455 | -30.6% |
| 3Q21 | 504 | -30.0% |
| 2Q21 | 493 | -30.8% |
| 1Q21 | 481 | -20.9% |
| 4Q20 | 656 | +11.3% |
| 3Q20 | 720 | +24.0% |
| 2Q20 | 712 | +852.4% |
| 1Q20 | 608 | +408.2% |
| 4Q19 | 589 | +196.4% |
| 3Q19 | 581 | +124.4% |
| 2Q19 | 74 | -81.7% |
| 1Q19 | 119 | - |
| 4Q18 | 199 | -79.9% |
| 3Q18 | 259 | - |
| 2Q18 | 407 | - |
| 4Q17 | 988 | -7.8% |
| 4Q16 | 1,071 | -13.9% |
| 4Q15 | 1,244 | +9.8% |
| 4Q14 | 1,133 | -9.5% |
| 4Q13 | 1,251 | +26.7% |
| 4Q12 | 988 | +33.4% |
| 4Q11 | 740 | +38.4% |
| 4Q10 | 535 | - |
| 3Q10 | 599 | - |
| 2Q10 | 512 | - |
| 1Q10 | 450 | - |