| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q19 | 2,394 | +463.3% |
| 4Q18 | 423 | -22.8% |
| 3Q18 | 482 | -98.4% |
| 2Q18 | 464 | -98.5% |
| 1Q18 | 425 | -98.6% |
| 4Q17 | 548 | -98.2% |
| 3Q17 | 30,635 | -49.5% |
| 2Q17 | 30,665 | -45.4% |
| 1Q17 | 30,502 | -13.5% |
| 4Q16 | 30,173 | +9127.2% |
| 3Q16 | 60,653 | +24860.1% |
| 2Q16 | 56,129 | +14182.2% |
| 1Q16 | 35,279 | +6155.1% |
| 4Q15 | 327 | +60.3% |
| 3Q15 | 243 | -91.0% |
| 2Q15 | 393 | -97.4% |
| 1Q15 | 564 | -98.1% |
| 4Q14 | 204 | -99.2% |
| 3Q14 | 2,689 | -89.3% |
| 2Q14 | 15,227 | -39.3% |
| 1Q14 | 29,775 | +42.4% |
| 4Q13 | 26,007 | +11.5% |
| 3Q13 | 25,154 | +268.1% |
| 2Q13 | 25,091 | +377.4% |
| 1Q13 | 20,909 | - |
| 4Q12 | 23,328 | - |
| 3Q12 | 6,834 | - |
| 2Q12 | 5,256 | - |