| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q20 | 0 | -100.0% |
| 3Q20 | 0 | -100.0% |
| 2Q20 | 109,972 | -64.9% |
| 1Q20 | 109,946 | -62.4% |
| 4Q19 | 108,919 | -76.6% |
| 3Q19 | 203,218 | -65.4% |
| 2Q19 | 313,349 | -48.6% |
| 1Q19 | 292,314 | -46.2% |
| 4Q18 | 466,186 | +82.9% |
| 3Q18 | 587,093 | +126.5% |
| 2Q18 | 609,167 | +141.1% |
| 1Q18 | 543,312 | +109.1% |
| 4Q17 | 254,927 | +36.0% |
| 3Q17 | 259,249 | +21.5% |
| 2Q17 | 252,701 | +24.7% |
| 1Q17 | 259,816 | +14.3% |
| 4Q16 | 187,408 | -3.1% |
| 3Q16 | 213,347 | -5.9% |
| 2Q16 | 202,697 | -10.6% |
| 1Q16 | 227,410 | +0.3% |
| 4Q15 | 193,320 | -2.6% |
| 3Q15 | 226,689 | +3.7% |
| 2Q15 | 226,749 | -11.3% |
| 1Q15 | 226,729 | +50.1% |
| 4Q14 | 198,547 | +44.7% |
| 3Q14 | 218,596 | +21.3% |
| 2Q14 | 255,680 | +98.1% |
| 1Q14 | 151,080 | - |
| 4Q13 | 137,198 | - |
| 3Q13 | 180,171 | - |
| 2Q13 | 129,087 | - |