| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 491,751 | +342.2% |
| 4Q22 | 489,596 | +378.8% |
| 3Q22 | 478,534 | +295.5% |
| 2Q22 | 332,129 | +127.6% |
| 1Q22 | 111,217 | -43.5% |
| 4Q21 | 102,252 | -56.6% |
| 3Q21 | 121,000 | -58.9% |
| 2Q21 | 145,955 | -54.9% |
| 1Q21 | 196,718 | -47.3% |
| 4Q20 | 235,774 | -41.8% |
| 3Q20 | 294,438 | -11.6% |
| 2Q20 | 323,565 | -15.6% |
| 1Q20 | 373,570 | -17.4% |
| 4Q19 | 404,825 | -11.8% |
| 3Q19 | 333,101 | +4.4% |
| 2Q19 | 383,156 | +14.1% |
| 1Q19 | 452,521 | +31.3% |
| 4Q18 | 459,043 | - |
| 3Q18 | 319,071 | - |
| 2Q18 | 335,923 | - |
| 1Q18 | 344,766 | - |