| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 5,000 | - |
| 1Q23 | 5,000 | - |
| 4Q22 | 5,000 | - |
| 3Q21 | 9,000 | -30.8% |
| 2Q21 | 9,000 | -30.8% |
| 1Q21 | 9,000 | - |
| 4Q20 | 16,000 | +100.0% |
| 3Q20 | 13,000 | -16.1% |
| 2Q20 | 13,000 | +145.3% |
| 4Q19 | 8,000 | - |
| 3Q19 | 15,500 | +7688.9% |
| 2Q19 | 5,300 | +28.1% |
| 1Q19 | 2,300 | -5.1% |
| 3Q18 | 199 | -96.9% |
| 2Q18 | 4,136 | -34.4% |
| 1Q18 | 2,424 | -62.1% |
| 4Q17 | 6,429 | +183.5% |
| 3Q17 | 6,399 | +80.9% |
| 2Q17 | 6,307 | +69.6% |
| 1Q17 | 6,392 | +0.8% |
| 4Q16 | 2,268 | -90.4% |
| 3Q16 | 3,537 | -85.0% |
| 2Q16 | 3,719 | -84.1% |
| 1Q16 | 6,342 | -75.9% |
| 4Q15 | 23,692 | -25.3% |
| 3Q15 | 23,645 | -29.0% |
| 2Q15 | 23,395 | -40.8% |
| 1Q15 | 26,362 | -33.8% |
| 4Q14 | 31,732 | -18.6% |
| 3Q14 | 33,322 | -47.6% |
| 2Q14 | 39,508 | -54.3% |
| 1Q14 | 39,822 | - |
| 4Q13 | 38,971 | - |
| 3Q13 | 63,573 | -51.1% |
| 2Q13 | 86,395 | -36.5% |
| 3Q12 | 130,030 | - |
| 2Q12 | 136,084 | - |
| 1Q12 | 113,617 | - |