| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 195,000 | -17.7% |
| 3Q23 | 172,000 | -41.1% |
| 2Q23 | 213,000 | -28.4% |
| 1Q23 | 207,534 | -33.3% |
| 4Q22 | 237,000 | -53.2% |
| 3Q22 | 292,178 | -29.1% |
| 2Q22 | 297,595 | -21.3% |
| 1Q22 | 311,236 | -46.9% |
| 4Q21 | 506,874 | -13.3% |
| 3Q21 | 411,922 | -34.3% |
| 2Q21 | 378,150 | -37.8% |
| 1Q21 | 585,737 | +9.5% |
| 4Q20 | 584,445 | +55.0% |
| 3Q20 | 627,259 | +170.4% |
| 2Q20 | 607,620 | +170.5% |
| 1Q20 | 534,887 | +122.8% |
| 4Q19 | 376,995 | +57.3% |
| 3Q19 | 231,976 | -4.4% |
| 2Q19 | 224,652 | -3.2% |
| 1Q19 | 240,100 | +100.4% |
| 4Q18 | 239,718 | +120.4% |
| 3Q18 | 242,734 | +299.2% |
| 2Q18 | 232,044 | +327.4% |
| 1Q18 | 119,810 | +423.1% |
| 4Q17 | 108,772 | - |
| 3Q17 | 60,812 | - |
| 2Q17 | 54,288 | - |
| 1Q17 | 22,902 | - |