| （単位：百万ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q22 | 933 | +0.7% |
| 4Q21 | 916 | -2.1% |
| 3Q21 | 937 | +0.1% |
| 2Q21 | 937 | +2.6% |
| 1Q21 | 926 | +5.4% |
| 4Q20 | 936 | -37.5% |
| 3Q20 | 936 | +27.1% |
| 2Q20 | 913 | +24.1% |
| 1Q20 | 878 | +142.3% |
| 4Q19 | 1,498 | +324.3% |
| 3Q19 | 737 | +99.6% |
| 2Q19 | 736 | +109.7% |
| 1Q19 | 362 | -1.2% |
| 4Q18 | 353 | -2.7% |
| 3Q18 | 369 | +1.0% |
| 2Q18 | 351 | -3.6% |
| 1Q18 | 367 | +14.4% |
| 4Q17 | 362 | - |
| 3Q17 | 365 | - |
| 2Q17 | 364 | - |
| 1Q17 | 320 | - |