| （単位：百万ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q22 | 1,897 | -34.8% |
| 4Q21 | 2,242 | -31.4% |
| 3Q21 | 2,534 | -22.1% |
| 2Q21 | 2,605 | +44.1% |
| 1Q21 | 2,910 | +105.4% |
| 4Q20 | 3,269 | +796.2% |
| 3Q20 | 3,254 | +766.0% |
| 2Q20 | 1,807 | +192.1% |
| 1Q20 | 1,417 | +66.9% |
| 4Q19 | 364 | -82.9% |
| 3Q19 | 375 | -73.0% |
| 2Q19 | 618 | -33.5% |
| 1Q19 | 849 | -12.8% |
| 4Q18 | 2,137 | +257.4% |
| 3Q18 | 1,390 | +153.3% |
| 2Q18 | 931 | +536.0% |
| 1Q18 | 973 | +323.7% |
| 4Q17 | 597 | +6.5% |
| 3Q17 | 548 | +364.9% |
| 2Q17 | 146 | -13.1% |
| 1Q17 | 229 | +493.3% |
| 4Q16 | 561 | - |
| 3Q16 | 118 | - |
| 2Q16 | 168 | - |
| 1Q16 | 38 | - |