| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q22 | 9,876 | -50.6% |
| 1Q22 | 19,424 | +21.6% |
| 4Q21 | 19,821 | +97.4% |
| 3Q21 | 19,956 | +99.5% |
| 2Q21 | 19,980 | - |
| 1Q21 | 15,971 | - |
| 4Q20 | 10,041 | +100.5% |
| 3Q20 | 10,002 | -68.3% |
| 4Q19 | 5,007 | -86.4% |
| 3Q19 | 31,561 | -38.2% |
| 2Q19 | 36,503 | -37.6% |
| 1Q19 | 26,551 | -54.5% |
| 4Q18 | 36,922 | +39.2% |
| 3Q18 | 51,047 | +92.1% |
| 2Q18 | 58,520 | +120.4% |
| 1Q18 | 58,342 | +119.8% |
| 4Q17 | 26,516 | 0.0% |
| 3Q17 | 26,577 | +0.1% |
| 2Q17 | 26,547 | 0.0% |
| 1Q17 | 26,545 | +0.1% |
| 4Q16 | 26,512 | +0.3% |
| 3Q16 | 26,538 | +0.2% |
| 2Q16 | 26,537 | +0.3% |
| 1Q16 | 26,509 | 0.0% |
| 4Q15 | 26,444 | -0.1% |
| 3Q15 | 26,495 | +0.1% |
| 2Q15 | 26,465 | -0.1% |
| 1Q15 | 26,497 | +60.6% |
| 4Q14 | 26,462 | +51.4% |
| 3Q14 | 26,468 | +147.9% |
| 2Q14 | 26,497 | +308.8% |
| 1Q14 | 16,499 | +119.8% |
| 4Q13 | 17,483 | +133.0% |
| 3Q13 | 10,677 | - |
| 2Q13 | 6,482 | - |
| 1Q13 | 7,507 | - |
| 4Q12 | 7,504 | - |