| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 3Q22 | 476 | -55.4% |
| 2Q22 | 727 | -11.1% |
| 1Q22 | 1,293 | +159.1% |
| 4Q21 | 1,295 | -85.6% |
| 3Q21 | 1,068 | -88.6% |
| 2Q21 | 818 | -90.9% |
| 1Q21 | 499 | -96.4% |
| 4Q20 | 8,977 | -53.7% |
| 3Q20 | 9,400 | -79.6% |
| 2Q20 | 8,987 | -82.9% |
| 1Q20 | 13,853 | -76.9% |
| 4Q19 | 19,381 | -64.2% |
| 3Q19 | 46,000 | +111.7% |
| 2Q19 | 52,700 | +186.4% |
| 1Q19 | 59,900 | +531.3% |
| 4Q18 | 54,150 | +79.3% |
| 3Q18 | 21,733 | -27.8% |
| 2Q18 | 18,400 | -38.8% |
| 1Q18 | 9,489 | -68.4% |
| 4Q17 | 30,200 | - |
| 3Q17 | 30,100 | - |
| 2Q17 | 30,051 | - |
| 1Q17 | 30,013 | - |