| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 10,886 | -82.8% |
| 1Q23 | 12,662 | -92.0% |
| 4Q22 | 26,344 | -70.8% |
| 3Q22 | 47,175 | -61.6% |
| 2Q22 | 63,259 | +83.8% |
| 1Q22 | 158,751 | -18.4% |
| 4Q21 | 90,217 | - |
| 3Q21 | 122,934 | - |
| 2Q21 | 34,410 | - |
| 1Q21 | 194,431 | - |
| 3Q19 | 94 | -68.4% |
| 2Q19 | 316 | -2.2% |
| 1Q19 | 391 | -11.9% |
| 4Q18 | 297 | -66.3% |
| 3Q18 | 297 | -66.6% |
| 2Q18 | 323 | -50.8% |
| 1Q18 | 444 | -64.9% |
| 4Q17 | 882 | -20.3% |
| 3Q17 | 888 | -28.4% |
| 2Q17 | 656 | -98.1% |
| 1Q17 | 1,265 | -97.3% |
| 4Q16 | 1,106 | -98.9% |
| 3Q16 | 1,241 | -98.1% |
| 2Q16 | 34,946 | - |
| 1Q16 | 46,183 | - |
| 4Q15 | 97,366 | - |
| 3Q15 | 64,386 | - |