| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 2,889 | -97.2% |
| 4Q22 | 57,718 | -51.1% |
| 3Q22 | 57,168 | -59.7% |
| 2Q22 | 77,489 | -49.8% |
| 1Q22 | 104,947 | +1.4% |
| 4Q21 | 118,061 | +71.9% |
| 3Q21 | 141,783 | +71.2% |
| 2Q21 | 154,512 | +143.9% |
| 1Q21 | 103,498 | +46.7% |
| 4Q20 | 68,667 | +73.3% |
| 3Q20 | 82,816 | +129.1% |
| 2Q20 | 63,361 | +14.1% |
| 1Q20 | 70,544 | +54.3% |
| 4Q19 | 39,633 | +287.3% |
| 3Q19 | 36,147 | - |
| 2Q19 | 55,529 | - |
| 1Q19 | 45,720 | - |
| 4Q18 | 10,234 | - |
| 2Q17 | 300 | -98.6% |
| 1Q17 | 6,163 | -77.0% |
| 4Q16 | 13,000 | -66.7% |
| 3Q16 | 12,955 | -69.7% |
| 2Q16 | 21,189 | -62.5% |
| 1Q16 | 26,755 | -53.7% |
| 4Q15 | 39,091 | -22.1% |
| 3Q15 | 42,705 | -24.4% |
| 2Q15 | 56,450 | -0.2% |
| 1Q15 | 57,822 | -11.4% |
| 4Q14 | 50,209 | -57.0% |
| 3Q14 | 56,505 | -35.7% |
| 2Q14 | 56,571 | -39.7% |
| 1Q14 | 65,250 | -22.2% |
| 4Q13 | 116,780 | +95.2% |
| 3Q13 | 87,913 | +53.7% |
| 2Q13 | 93,799 | +61.1% |
| 1Q13 | 83,883 | +252.5% |
| 4Q12 | 59,819 | +315.2% |
| 3Q12 | 57,191 | +197.7% |
| 2Q12 | 58,228 | +178.6% |
| 1Q12 | 23,796 | - |
| 4Q11 | 14,408 | - |
| 3Q11 | 19,211 | - |
| 2Q11 | 20,897 | - |