| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 5 | +20.6% |
| 4Q22 | 5 | +20.6% |
| 3Q22 | 5 | -99.9% |
| 2Q22 | 4 | -99.9% |
| 1Q22 | 4 | -99.9% |
| 4Q21 | 4 | -100.0% |
| 3Q21 | 5,125 | -6.0% |
| 2Q21 | 5,913 | -9.2% |
| 1Q21 | 6,382 | +113.7% |
| 4Q20 | 11,089 | +211.0% |
| 3Q20 | 5,450 | +114.5% |
| 2Q20 | 6,512 | +430.6% |
| 1Q20 | 2,987 | +74.5% |
| 4Q19 | 3,565 | +8.0% |
| 3Q19 | 2,540 | -22.6% |
| 2Q19 | 1,227 | -62.5% |
| 1Q19 | 1,711 | -54.6% |
| 4Q18 | 3,300 | -12.4% |
| 3Q18 | 3,282 | -12.6% |
| 2Q18 | 3,268 | +336.8% |
| 1Q18 | 3,770 | +115.9% |
| 4Q17 | 3,766 | +67.9% |
| 3Q17 | 3,756 | +67.7% |
| 2Q17 | 748 | -72.6% |
| 1Q17 | 1,745 | +230.1% |
| 4Q16 | 2,243 | +10.7% |
| 3Q16 | 2,239 | -11.4% |
| 2Q16 | 2,733 | -22.5% |
| 1Q16 | 528 | -86.9% |
| 4Q15 | 2,027 | -63.3% |
| 3Q15 | 2,527 | - |
| 2Q15 | 3,524 | - |
| 1Q15 | 4,024 | - |
| 4Q14 | 5,519 | - |