| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q22 | 56,264 | - |
| 4Q20 | 72,398 | - |
| 1Q19 | 12,583 | -81.7% |
| 4Q18 | 25,392 | -55.7% |
| 3Q18 | 40,352 | -14.7% |
| 2Q18 | 59,987 | -5.7% |
| 1Q18 | 68,905 | +12.9% |
| 4Q17 | 57,303 | +80.5% |
| 3Q17 | 47,295 | +68.4% |
| 2Q17 | 63,624 | +91.1% |
| 1Q17 | 61,053 | +112.1% |
| 4Q16 | 31,743 | +5.8% |
| 3Q16 | 28,081 | -38.5% |
| 2Q16 | 33,294 | -33.1% |
| 1Q16 | 28,788 | -44.0% |
| 4Q15 | 29,998 | -44.4% |
| 3Q15 | 45,647 | +153.7% |
| 2Q15 | 49,748 | +161.1% |
| 1Q15 | 51,390 | +310.7% |
| 4Q14 | 53,968 | - |
| 3Q14 | 17,993 | - |
| 2Q14 | 19,050 | - |
| 1Q14 | 12,512 | - |