| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q21 | 933 | +40.7% |
| 2Q21 | 1,323 | +59.0% |
| 1Q21 | 1,059 | -1.7% |
| 4Q20 | 833 | -36.7% |
| 3Q20 | 663 | -54.1% |
| 2Q20 | 832 | -57.0% |
| 1Q20 | 1,077 | -63.7% |
| 4Q19 | 1,316 | -65.2% |
| 3Q19 | 1,446 | -66.2% |
| 2Q19 | 1,936 | -64.3% |
| 1Q19 | 2,969 | -49.8% |
| 4Q18 | 3,778 | -40.3% |
| 3Q18 | 4,276 | -32.1% |
| 2Q18 | 5,418 | +14.0% |
| 1Q18 | 5,919 | +30.4% |
| 4Q17 | 6,331 | +59.5% |
| 3Q17 | 6,302 | +60.7% |
| 2Q17 | 4,754 | +34.3% |
| 1Q17 | 4,540 | +34.7% |
| 4Q16 | 3,969 | +17.0% |
| 3Q16 | 3,921 | +9.8% |
| 2Q16 | 3,541 | -39.8% |
| 1Q16 | 3,370 | -40.3% |
| 4Q15 | 3,391 | -41.3% |
| 3Q15 | 3,572 | -39.2% |
| 2Q15 | 5,881 | -5.4% |
| 1Q15 | 5,647 | +8.4% |
| 4Q14 | 5,777 | +16.2% |
| 3Q14 | 5,875 | +42.0% |
| 2Q14 | 6,217 | +148.1% |
| 1Q14 | 5,211 | +64.3% |
| 4Q13 | 4,971 | +63.3% |
| 3Q13 | 4,138 | +65.5% |
| 2Q13 | 2,506 | -4.7% |
| 1Q13 | 3,172 | +10.9% |
| 4Q12 | 3,044 | +24.1% |
| 3Q12 | 2,500 | -17.2% |
| 2Q12 | 2,630 | - |
| 1Q12 | 2,861 | - |
| 4Q11 | 2,453 | -1.6% |
| 3Q11 | 3,019 | - |
| 4Q10 | 2,492 | - |
| 2Q10 | 1,827 | - |
| 1Q10 | 1,977 | - |