| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 23,867 | -83.4% |
| 3Q23 | 38,488 | -70.8% |
| 2Q23 | 81,793 | -31.4% |
| 1Q23 | 136,814 | -5.4% |
| 4Q22 | 143,602 | +4.2% |
| 3Q22 | 131,619 | +60.2% |
| 2Q22 | 119,172 | +262.3% |
| 1Q22 | 144,616 | - |
| 4Q21 | 137,830 | - |
| 3Q21 | 82,184 | - |
| 2Q21 | 32,889 | - |
| 1Q20 | 7,495 | -83.8% |
| 4Q19 | 14,847 | -67.3% |
| 3Q19 | 35,960 | +619.8% |
| 2Q19 | 38,860 | +55.7% |
| 1Q19 | 46,319 | +16.2% |
| 4Q18 | 45,417 | +1.2% |
| 3Q18 | 4,996 | -84.4% |
| 2Q18 | 24,951 | - |
| 1Q18 | 39,846 | - |
| 4Q17 | 44,886 | +73.7% |
| 3Q17 | 31,946 | -65.8% |
| 2Q17 | 0 | -100.0% |
| 1Q17 | 0 | -100.0% |
| 4Q16 | 25,839 | -86.7% |
| 3Q16 | 93,315 | -60.0% |
| 2Q16 | 115,688 | -35.4% |
| 1Q16 | 139,951 | -17.1% |
| 4Q15 | 194,386 | +90.0% |
| 3Q15 | 233,133 | - |
| 2Q15 | 178,953 | - |
| 1Q15 | 168,741 | - |
| 4Q14 | 102,327 | - |