| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q24 | 4,490 | -74.6% |
| 3Q24 | 10,429 | -12.5% |
| 2Q24 | 22,242 | -2.3% |
| 1Q24 | 20,717 | -44.7% |
| 4Q23 | 17,650 | +48.1% |
| 3Q23 | 11,924 | -36.6% |
| 2Q23 | 22,754 | -32.6% |
| 1Q23 | 37,489 | -12.0% |
| 4Q22 | 11,916 | -60.7% |
| 3Q22 | 18,793 | +38.8% |
| 2Q22 | 33,754 | +40.0% |
| 1Q22 | 42,579 | -20.0% |
| 4Q21 | 30,345 | -47.8% |
| 3Q21 | 13,539 | -67.2% |
| 2Q21 | 24,118 | +30.2% |
| 1Q21 | 53,218 | +96.7% |
| 4Q20 | 58,181 | +45.7% |
| 3Q20 | 41,288 | +19.4% |
| 2Q20 | 18,523 | -46.0% |
| 1Q20 | 27,061 | -32.7% |
| 4Q19 | 39,924 | +6.7% |
| 3Q19 | 34,581 | - |
| 2Q19 | 34,283 | - |
| 1Q19 | 40,213 | - |
| 4Q18 | 37,405 | - |