| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 3,982 | -81.3% |
| 3Q22 | 3,483 | -10.8% |
| 2Q22 | 6,978 | +41.8% |
| 1Q22 | 10,614 | +225.4% |
| 4Q21 | 21,322 | +69.8% |
| 3Q21 | 3,904 | -55.6% |
| 2Q21 | 4,921 | -5.6% |
| 1Q21 | 3,262 | -40.4% |
| 4Q20 | 12,558 | +10.2% |
| 3Q20 | 8,794 | - |
| 2Q20 | 5,211 | +422.1% |
| 1Q20 | 5,475 | - |
| 4Q19 | 11,400 | +107.6% |
| 3Q19 | 0 | -100.0% |
| 2Q19 | 998 | -84.6% |
| 1Q19 | 0 | -100.0% |
| 4Q18 | 5,492 | - |
| 3Q18 | 4,491 | - |
| 2Q18 | 6,486 | - |
| 1Q18 | 3,991 | - |
| 4Q14 | 0 | -100.0% |
| 3Q14 | 0 | -100.0% |
| 2Q14 | 0 | -100.0% |
| 1Q14 | 6,812 | -60.4% |
| 4Q13 | 11,511 | -60.6% |
| 3Q13 | 16,876 | -44.5% |
| 2Q13 | 19,770 | -45.1% |
| 1Q13 | 17,197 | -69.5% |
| 4Q12 | 29,201 | -47.5% |
| 3Q12 | 30,418 | -45.0% |
| 2Q12 | 36,029 | -36.5% |
| 1Q12 | 56,347 | - |
| 4Q11 | 55,578 | - |
| 3Q11 | 55,301 | - |
| 2Q11 | 56,751 | - |