| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 521,519 | -14.2% |
| 3Q23 | 543,915 | -15.3% |
| 2Q23 | 560,707 | -16.2% |
| 1Q23 | 586,407 | -14.5% |
| 4Q22 | 608,062 | -12.2% |
| 3Q22 | 641,884 | -0.3% |
| 2Q22 | 668,765 | +20.4% |
| 1Q22 | 686,176 | +42.3% |
| 4Q21 | 692,467 | +48.6% |
| 3Q21 | 643,949 | +79.6% |
| 2Q21 | 555,444 | -16.9% |
| 1Q21 | 482,143 | +40.7% |
| 4Q20 | 466,091 | +22.9% |
| 3Q20 | 358,493 | +16.2% |
| 2Q20 | 668,765 | +100.0% |
| 1Q20 | 342,769 | +5.7% |
| 4Q19 | 379,195 | +14.0% |
| 3Q19 | 308,490 | +4.3% |
| 2Q19 | 334,326 | -2.0% |
| 1Q19 | 324,289 | +4.5% |
| 4Q18 | 332,653 | - |
| 3Q18 | 295,777 | - |
| 2Q18 | 341,247 | - |
| 1Q18 | 310,348 | - |