| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 71 | -99.7% |
| 3Q22 | 600 | -97.9% |
| 2Q22 | 1,300 | -97.3% |
| 1Q22 | 6,100 | -88.8% |
| 4Q21 | 28,037 | -45.7% |
| 3Q21 | 29,200 | -22.3% |
| 2Q21 | 48,300 | +77.6% |
| 1Q21 | 54,500 | +131.9% |
| 4Q20 | 51,598 | +97.6% |
| 3Q20 | 37,600 | +232.7% |
| 2Q20 | 27,200 | +53.7% |
| 1Q20 | 23,500 | +28.2% |
| 4Q19 | 26,109 | +10.6% |
| 3Q19 | 11,300 | +430.5% |
| 2Q19 | 17,700 | -73.5% |
| 1Q19 | 18,333 | -75.4% |
| 4Q18 | 23,603 | -83.0% |
| 3Q18 | 2,130 | -98.2% |
| 2Q18 | 66,693 | -44.3% |
| 1Q18 | 74,595 | -42.8% |
| 4Q17 | 139,117 | -7.3% |
| 3Q17 | 115,796 | -8.0% |
| 2Q17 | 119,843 | -21.0% |
| 1Q17 | 130,450 | +36.6% |
| 4Q16 | 150,147 | +38.6% |
| 3Q16 | 125,917 | +26.4% |
| 2Q16 | 151,615 | +53.0% |
| 1Q16 | 95,497 | +18.5% |
| 4Q15 | 108,305 | -9.8% |
| 3Q15 | 99,605 | -7.7% |
| 2Q15 | 99,098 | -4.2% |
| 1Q15 | 80,617 | -31.4% |
| 4Q14 | 120,088 | -6.3% |
| 3Q14 | 107,886 | +6.6% |
| 2Q14 | 103,461 | +11.9% |
| 1Q14 | 117,558 | +342.9% |
| 4Q13 | 128,151 | +260.2% |
| 3Q13 | 101,162 | +313.6% |
| 2Q13 | 92,445 | +359.9% |
| 1Q13 | 26,545 | +161.6% |
| 4Q12 | 35,574 | +194.1% |
| 3Q12 | 24,461 | +69.4% |
| 2Q12 | 20,099 | +0.5% |
| 1Q12 | 10,147 | - |
| 4Q11 | 12,097 | - |
| 3Q11 | 14,439 | - |
| 2Q11 | 19,995 | - |